Custom Firmware(CFW): Difference between revisions

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Custom Firmwares are modified versions of Official Firmwares released by Sony for the Sony PSP(PlayStation Portable). You have to use the official firmware file with the file that is provided when downloading CFW's. Custom Firmwares are made with the intention of unlocking the full potential of one's PSP, including a Recovery Menu, Internal Flash access, running of unencrypted code, running of UMD Game Backups in the form of CSOs, ISOs, or in Dark_Alex's DAX format.
''Before downloading and installing Custom Firmware, read [[Installing Custom Firmware]] to learn about the install process and how to avoid damaging your PSP!''


Custom Firmwares are modified versions of [[Official Firmware|Official Firmwares]] released by [[Sony]] for the [[Sony PSP]](PlayStation Portable). You have to use the official firmware file with the file that is provided when downloading CFW's. Custom Firmwares are made with the intention of unlocking the full potential of one's PSP, including a [[Recovery]] Menu, Internal Flash access, running of unencrypted code, running of [[UMD]] [[Game Backups]] in the form of [[CSO|CSOs]], [[ISO|ISOs]], or in [[Dark_AleX|Dark_Alex's]] [[DAX]] format.


----


= Custom Firmware Descriptions =


Custom firmwares used a subset of the commonly known 1.50 firmware to enable a newer custom firmware to run homebrew capabilities, while newer custom firmwares use a custom IPL to launch the firmware and patch it. On firmwares with 1.50 kernel installed, less used features are removed in newer versions including "LocationFree Player" and Korean fonts in order to gain flas0 space. The firmware adds support for 1.50 homebrew in addition to loading official Sony EBOOTs, integrating an ISO/CSO loader launched from the XMB game menu, and a recovery menu accessible upon boot-up. (Or accessible from the XMB in some firmwares)


'''1.50 Proof of Concept'''
==About Custom Firmware==
 
Custom firmwares used a subset of the commonly known 1.50 firmware to enable a newer custom firmware to run homebrew capabilities, while newer custom firmwares use a custom IPL to launch the firmware and patch it. On firmwares with 1.50 kernel installed, less used features are removed in newer versions including "LocationFree Player" and Korean fonts in order to gain flash0 space. The firmware adds support for 1.50 homebrew in addition to loading official Sony EBOOTs, integrating an ISO/CSO loader launched from the XMB game menu, and a recovery menu accessible upon boot-up. (Or accessible from the XMB in some firmwares)
 
==Early Custom Firmware Versions==
===Version 1.50 POC===


On July 15 2006, a limited 1.50 custom firmware (named a proof of concept) was released by Dark AleX, allowing the execution of version 1.00 EBOOTs, access to a limited recovery mode, and ability to automatically load an application upon start. Other custom firmwares have since been released. Today, there are more developed versions such as "Casual V3" and the SE/OE/M33 firmwares.
On July 15 2006, a limited 1.50 custom firmware (named a proof of concept) was released by Dark AleX, allowing the execution of version 1.00 EBOOTs, access to a limited recovery mode, and ability to automatically load an application upon start. Other custom firmwares have since been released. Today, there are more developed versions such as "Casual V3" and the SE/OE/M33 firmwares.


'''2.71 SE (Special Edition)'''
===Version 1.53 Custom Firmware===


On OCtober 8 2006, Dark AleX's custom firmware 2.71 SE-A was released, which utilizes the features of the 2.71 web browser, video features, RSS feeds, WMA capabilities and flash capabilities for the web browser as well as full 1.50 user and kernel homebrew usage and full 2.71 user and kernel homebrew, as well as adding a recovery mode for unbricking "Semi-Bricked" PSP from bad flashing etc.
On 19 February 2007, a custom firmware was released by Eiffel56. This firmware was called 1.53 to avoid confusion between the official 1.51 and 1.52 firmwares compared to this custom version. This version is built for firmware 1.50 loyalists as not every user wished to upgrade to the SE or OE firmwares. This firmware offered many features offered in the 1.50 Proof of Concept firmware by Dark AleX such as a limited recovery mode, autoboot option, custom PRX loading, launching 1.00 Homebrew eBoots, hiding corrupt data icons and starting ISO files from the XMB.


An update to this new custom firmware came out on the 24th of the same month. In this update the 2.71 SE-B the major feature is the loading of ISOs and CSOs from the game menu in the XMB. And just two days later was updated to 2.71 SE-B' which includes NO-UMD ISO loading. A few days later, 2.71 SE-B" was released. It allowed the ability to run 2.80+ games, including GTA VCS and it fixed some bugs found in 2.71 SE-B'. The latest version is 2.71 SE-C, which allows to load PRX files directly from the memory stick, enabling the option to safely add new functions to the firmware. For example, listening to MP3 files while showing photos.
==Version 2.71 SE by [[Dark_AleX]]==


'''Epsilon Bios'''
On October 8 2006, Dark AleX's custom firmware 2.71 SE-A was released, which utilizes the features of the 2.71 web browser, video features, RSS feeds, WMA capabilities and flash capabilities for the web browser. Also in this custom firmware was full 1.50 user and kernel homebrew usage and full 2.71 user and kernel homebrew, as well as a recovery mode for unbricking "Semi-Bricked" PSPs from bad flashing etc.


On July 23 2006, a custom firmware, Epsilon Bios, was released for use with the Undiluted Platinum modchip. This firmware could only be used on PSPs with the modchip. This firmware resides on the modchip, while it "piggybacks" the firmware on the PSP's flash.
An update to this new custom firmware came out on the 24th of the same month. In this update, 2.71 SE-B, the major feature is the loading of ISOs and CSOs from the game menu in the XMB. Just two days later it was updated to 2.71 SE-B' which includes NO-UMD ISO loading. A few days later, 2.71 SE-B" was released. It allowed the ability to run 2.80+ games, including GTA VCS. It also fixed some bugs found in 2.71 SE-B'. The latest version is 2.71 SE-C, which allows the loading of PRX files directly from the [[memory stick]]. This enables the option to safely add new functions to the firmware, for example the ability to listen to MP3 files while showing photos.


= [[Open Edition Firmware]] =
==Epsilon Bios==


'''3.02 OE'''
On July 23 2006, a custom firmware, Epsilon Bios, was released for use with the Undiluted Platinum modchip. This firmware could only be used on PSPs with the modchip. This firmware resides on the modchip while it "piggybacks" the firmware on the PSP's flash.


On December 21 2006, a new custom firmware called "3.02 OE-A" was released by Dark AleX. It contains the same features of 2.71 SE-C, but also includes all 3.02 features excluding the Location Free player and the Korean fonts. New features added to this custom firmware include WMA and Flash Player enabling through the Recovery Menu and cracking the Digital Rights Management of the PSX emulator, allowing users to share PSX games to other PSP systems.
==[[Open Edition Firmware]] by [[Dark_AleX]]==


On December 25 2006, an update to the 3.02 OE-A Firmware was released called "3.02 OE-B." Its main feature was the ability to run PSX games from a memory stick using a ripping utility called "popstation" released alongside the new firmware.
===Version 3.02 OE===


'''3.03 OE'''
On December 21 2006, a new custom firmware called "3.02 OE-A" was released by Dark AleX. It contains the same features of 2.71 SE-C as well as all the 3.02 features excluding the Location Free player and the Korean fonts. New features added to this custom firmware include WMA and Flash Player enabling through the Recovery Menu and cracking the Digital Rights Management of the PSX emulator, allowing users to share PSX games to other PSP systems.


On January 4 2007, the custom firmware "3.03 OE-A" was released by Dark AleX. It has the same features of 3.02 OE-B along with the ability to run compressed PSX games and support for custom manuals in PSX games. Later on January 6 2007, 3.03 OE-A' also known as 3.03 OE-A2 was released. A new feature in this release is the ability to change the CPU/Bus speed in UMD/ISO games.
On December 25 2006, an update to the 3.02 OE-A Firmware was released called "3.02 OE-B." Its main feature was the ability to run PSX games from a [[memory stick]] using a ripping utility called "popstation" released alongside the new firmware.
 
===Version 3.03 OE===
 
On January 4 2007, the custom firmware "3.03 OE-A" was released by Dark AleX. It has the same features of 3.02 OE-B along with the ability to run compressed PSX games and support for custom manuals in PSX games. Later on January 6 2007, 3.03 OE-A', also known as 3.03 OE-A2, was released. A new feature in this release is the ability to change the CPU/Bus speed in UMD/ISO games.  


On January 10 2007, a "3.03 OE-B" custom firmware was released by Dark AleX. This custom firmware required 3.03 OE-A/A' firmware to be installed first. A new feature in this release is the ability to play full screen (480 X 272) H.264/MPEG-4 AVC|MP4-AVC videos.
On January 10 2007, a "3.03 OE-B" custom firmware was released by Dark AleX. This custom firmware required 3.03 OE-A/A' firmware to be installed first. A new feature in this release is the ability to play full screen (480 X 272) H.264/MPEG-4 AVC|MP4-AVC videos.


On January 25 2007, Dark AleX released "3.03 OE-C" custom firmware. This was a major update and thus required a full install. Among the features are using WiFi at 333 MHz, maximum bit-rate limit of MP4-AVC videos is raised from 768 kbit/s to 16384 kbit/s (16 Mbit/s), ability to change the CPU/Bus speed of the XMB, faster cold-boot, as well as several other new features.
On January 25 2007, Dark AleX released "3.03 OE-C" custom firmware. This was a major update and thus required a full install. Among the features are the ability to use [[WiFi]] at 333 MHz, the maximum bit-rate limit of MP4-AVC videos is raised from 768 kbit/s to 16384 kbit/s (16 Mbit/s), the ability to change the CPU/Bus speed of the XMB, and faster cold-boot as well as several other new features.


'''3.10 OE'''
===Version 3.10 OE===


On February 4 2007, a "3.10 OE-A" custom firmware was released by Dark AleX, allowing screen brightness to the 4th level without having to connect the AC adapter along with the ability to run static Executable and Linkable Format (ELF) created homebrew with the 3.10 kernel.
On February 4 2007, a "3.10 OE-A" custom firmware was released by Dark AleX, allowing screen brightness to be set to the 4th level without having to connect the AC adapter along with the ability to run static Executable and Linkable Format ([[ELF]]) created homebrew with the 3.10 kernel.


On February 6 2007, a "3.10 OE-A' / A2" update for 3.10 OE-A was released by Dark AleX, fixing a simple bug in the execution of PSP games including Metal Slug 6 and others. The bug was caused by the incorrect patching of a static ELF in some cases. This was only a minor update, however, and therefore was not needed by everyone running the custom firmware.
On February 6 2007, a "3.10 OE-A' / A2" update for 3.10 OE-A was released by Dark AleX, fixing a simple bug in the execution of PSP games including Metal Slug 6 and others. The bug was caused by the incorrect patching of a static ELF in some cases. This was only a minor update, however, and therefore was not needed by everyone running the custom firmware.


'''3.30 OE'''
===Version 3.30 OE===


3.30 OE-A was released on April 15 2007. It offers all past features from other custom firmwares, such as all features (except LocationFree Player) built into the official 3.30, functionality as well as 1.50 features, such as ISO/CSO loading and homebrew support. A 3.30 OE-A' update was released on April 20 2007. This release includes a fix to security bug that overwrites certain parts of the RAM and also reintroduces the auto-boot program feature.
3.30 OE-A was released on April 15 2007. It offers all past features from other custom firmwares, as well as all features (except LocationFree Player) built into the official 3.30. IT included 1.50 features, as well as ISO/CSO loading and homebrew support. A 3.30 OE-A' update was released on April 20 2007. This release includes a fix to security bug that overwrites certain parts of the RAM and also reintroduces the auto-boot program feature.


'''3.40 OE'''
===Version 3.40 OE===


3.40 OE was released on April 20 2007. This release includes the same changes made in 3.30 OE-A' except it now uses the 3.40 firmware. It fixed a bug that caused data to be written to random addresses in the PSP's RAM. If the bug caused memory writes to certain kernel functions, the console could potentially be rendered unusable if those functions were accessed. Autoboot, which had been broken since 3.03 OE, was reimplemented. Improvements in the flasher were made to check that the correct DATA.DXAR file is used for an update, thus preventing people using incorrect firmware version data files from rendering their PSP units useless.
3.40 OE was released on April 20 2007. This release includes the same changes made in 3.30 OE-A' except it now uses the 3.40 firmware. It fixed a bug that caused data to be written to random addresses in the PSP's [[Random access memory|RAM]]. If the bug caused memory writes to certain kernel functions, the console could potentially be rendered unusable if those functions were accessed. Autoboot, which had been broken since 3.03 OE, was reimplemented. Improvements in the flasher were made to check that the correct DATA.DXAR file is used for an update, thus preventing people using incorrect firmware version data files from rendering their PSP units useless.


= [[Increasing Edition versions]] =
==LE Versions by Team Wildcard==


'''1.62 IE Custom Firmware'''
===Version 3.40* LE===


In March 2007, user becus25 released 1.62 IE-A. The latest version is 1.62 IE-D. Like custom firmware 1.53, it is based off the 1.5 kernel. Earlier versions of 1.62 IE would often cause bricks when the flash was modified. But updates were soon released fixing the problem. Currently though, 1.62 IE is only compatible with TA-079 motherboards and will brick on TA-082 and later motherboards. Features are similar to other firmwares including recovery mode, autoboot, and flash access. Becus25 has also modified the popular app by Booster, Devhook which allows firmwares to run from the memory stick, virtually removing the chance of bricking.
On June 08 2007, Team Wildcard released a reverse engineered version to the OE Custom firmware source code. The firmware was released after it was leaked from Team Wildcard's servers. The firmware contains all the features of 3.40 OE but contains features such as a new recovery menu,(later dubbed LE Recovery), and in XMB recovery access. Many users complained, since it was not 100% complete, it contained many bugs and glitches. The vast majority of the bugs were addressed in subsequent patches to the original firmware, which also added features such as the automatic detection of which kernel should be used to run homebrew.


'''3.02 IE-A Custom Firmware'''
==Increasing Edition Versions by becus25==


In July 2007, user becus25 released 3.02 IE-A which incorporated 3.02 OE with some improvements of IE. He later released an update which resolved certain bugs in the initial release.
===Version 1.62 IE Custom Firmware===


'''3.40 IE Custom Firmware'''
In March 2007, user becus25 released 1.62 IE-A. The latest version is 1.62 IE-D. Like custom firmware 1.53, it is based off the 1.5 kernel. Earlier versions of 1.62 IE would often cause bricks when the flash was modified, but updates were soon released fixing the problem. Currently though, 1.62 IE is only compatible with TA-079 motherboards and will brick on TA-082 and later motherboards. Features are similar to other firmwares including recovery mode, autoboot, and flash access. Becus25 has also modified the popular app by Booster, Devhook, which allows firmwares to run from the [[memory stick]], virtually removing the chance of bricking.


Later in the month, becus25 released his modification of 3.40 OE which includes a new "recovery menu" to use along with the OE one, called 3.40 IE-A. Several days later, becus25 released 3.40 IE-A2, with less chance of bricking, and some bug fixes in the recovery menu. It was met with much negative feedback from the homebrew community, due to the fact that it was, essentially, useless. Because of this, as well as personal issues, becus25 quit making firmware and homebrew.
===Version 3.02 IE-A===


= [[M33 Firmware]] =
In July 2007, user becus25 released 3.02 IE-A which incorporated 3.02 OE with some improvements of IE.  He later released an update which resolved certain bugs in the initial release.


'''3.51 M33'''
===Version 3.40 IE===


On July 14, 2007, a team of Russian coders named "Team M33" (later to be revealed as Dark_AleX in disguise) released a custom firmware called "3.51 M33". This custom firmware was made by reverse engineering Dark AleX's custom firmwares, thus it includes all the original features of 3.XX-OE, but it runs 3.51 firmware, allowing users to play future games that will one day require 3.51 firmware.
On August 07 2007, becus25 released his modification of 3.40 OE which includes a new "recovery menu" to use along with the OE one, called 3.40 IE-A. Several days later, becus25 released 3.40 IE-A2, with less chance of bricking, and some bug fixes in the recovery menu. It was met with much negative feedback from the homebrew community, due to the fact that it was, essentially, useless. Because of this, as well as personal issues, becus25 quit making firmware and homebrew.


On July 18, 2007, Team M33 released an update called 3.51 M33-4. It added a new No-UMD ISO loading mode and added support for 1.50 plugin loading. It also included earlier bug fixes for ISO loading and WLAN. The next day, 3.51 M33-6 update was released. It added a new No-UMD ISO loading mode using the official ISO loader from Sony, bringing almost 100% No-UMD compatibility. To be compatible, the ISO/CSO in the memory stick has to have less than 56 characters. On July 21, 2007, 3.51 M33-7 was released, which included more bug fixes, mainly in the ISO-loading of various games, however also fixed brightness issues on TA-082/TA-086 motherboards when launching homebrew. A small WiFi patch was also included.
==[[M33 Firmware]] by Team M33==


'''3.51 M33 Expansions and Patches'''
See the [[M33 Firmware]] page.


Several developers have released expansions for 3.51 M33 which feature bugfixes and added features. For example, one such expansion, 3.51 LE-A or "Light Edition" added support for dumping the BOOT.BIN file from UMDs and flash dumping. Despite the flood of expansions made by other independent developers (e.g. becus25, pj1115, etc.).
==HX Versions by "_HellDashX_"==


'''3.52 M33'''
===Version 3.72 HX===


On July 25, 2007, Team M33 released an update to their custom firmware, dubbed 3.52 M33. This update now uses the 3.52 kernel, and the 3.52 firmware, and fixes a bug which prevented Go!Cam, GPS and sceKernelLoadExecVSH from working in GAME mode. It also improves No-UMD compatibility and allows official downloaded PSN titles to play properly, as they weren't supported by 3.51 M33 and some 3.XX OE custom firmwares.
On November 06 2007, homebrew developer "_HellDashX_" released the 3.72HX-1 custom firmware. This custom firmware was made by reverse engineering Dark~AleX's 3.71 M33-2 and then adapting it to the 3.72 firmware. It contains all features from 3.71 M33-2 except the 1.50 kernel extension, which was released shortly after. A newer version called 3.72HX-2 has been released.


On July 30, 2007, Team M33 released an update to 3.52 M33, 3.52 M33-2. Changes are added to this firmware, which includes; Wi-Fi can work properly now, Chinese is available in the language section, added "Format flash1 and restore settings" option under Advanced, speed option 20 and 100 are added under CPU Speed, PSP cannot be turned off or hibernate in USB mode. document.dat (game manual) can be read in PSX games (was not possible in the first version). The update has also fixed compatibility issues with IRShell. (A popular homebrew program)
===Version 3.73 HX===


On August 19, 2007, Team M33 released the third update to 3.52 M33, 3.52 M33-3. Changes are added to this firmware, which includes: USB access to flash2 and flash3, added processor speeds 75 and 133, added vshmenu which can be used to dump UMDs or access other storage areas from recovery or by pressing menu on XMB, added support for UMD video ISOs, added support for popsloader 3.30. There have been numerous reports of this update rendering owners' PSPs useless if any modifications are made to the update (bricking them). The person responsible for the update modification is the owner of the site ps3news.com. The owner of ps3news.com stole the m33 source code to prevent this from happening again the 3.52 M33-3 firmware was designed to brick psps with ps3news in the history of the internet browser.
3.73 HX-1 was created and released on December 12, 2007 by "_HellDashX_".  


On August 21, 2007, Team M33 released the fourth edition of 3.52 M33, 3.52 M33-4. Changes are added to this firmware, which includes mainly bugfixes: Fixed the bug that caused CRC error when writing to flash USB in the XMB. The new speeds added in the third edition (75 MHz and 133 MHz) are actually accessible now via the vshmenu and core as they were (and still are) missing in the recovery menu.
This firmware enabled access to the official PSP features and changes, as well the “custom” factor enabling homebrew, etc


'''3.60 M33'''
==[[GEN Firmware]]==


On September 10, 2007, Team M33 released custom firmware 3.60 M33 for the PSP Slim. It was released after the NAND of the PSP Slim was dumped.
'''CFW 3.93'''


Due to incompatibilities with the new motherboard, 3.60 M33 does not contain a 1.50 kernel and thus cannot run homebrew written for 1.50. At the time, it could only run homebrew made for the 3.60 kernel but Team M33 stated they would make it compatible with 2.xx kernel homebrew in the near future (Team n00bz later released eLoader 1.000 which could run most homebrew requiring the 1.50 kernel on the PSP Slim).
On April 26, 2008 an unknown developer released 3.93 CFW on pspgen.com. This CFW was made with permission from Dark_AleX and others. According to the readme, this CFW now uses the 3.93 kernel, and has added several features. These are the ability to access recovery from the XMB, the ability to make a Pandora Battery (convert/revert battery) from recovery, save savedata in its normal, unencrypted state, and the ability to hide the PSP Mac Address in the XMB. (Changing it to all 0's)


3.60 M33 is installed by using a modified version of Pandora's Battery. Special files are written to the "magic" memory stick that is used in conjunction with the battery.
Although with the approval of Dark_AleX and Math, a few bugs has arisen. These are minor bugs and does not affect the firmware in any way. Sometimes, the Hide Pic0 in Game Menu and the Hide Mac Address options does not always work. This would require a user to reset their devices in order for it to be fully functional. Also, the CXMB 3.1 plugin cannot work with the Hide Mac Address option from the Recovery-Vsh Menu as it will freeze the System sub-menus in the XMB.


'''3.71 M33'''
However, the firmware has been tested and 3.90 flash0 themes as well as CXMB are known to work properly. Also, the 3.90 IRShell patch can be successfully done enabling users to fully unlock the potential of IRShell.
 
A day later on April 27, 2008, a 1.50 Kernel Addon was released.
 
On May 3, 2008, an new Update (named Update 2) has been made available. Update 2 fixed a bug in the Sony's OSK where pressing SELECT while it was up would freeze the system. Also, Hellcat's Savegame Deemer was removed. However, it can still be used a an ordinary plugin.
 
===Version 3.95 GEN===


On September 20, 2007, Team M33 announced that they would be taking "a break", due to the OE leak. The break didn't last long however, and Team M33 (who was revealed to be Dark_AleX along with a group of members) released 3.71 M33 on September 23, 2007 for the original PSP-1000 and the PSP Slim PSP-2000. Once again, 1.50 homebrew is incompatible on the slim, but a kernel patch has been released for the PSP-1000 allowing execution of 1.50 kernel mode homebrew. Also, due to kernel changes in the original firmware, many plugins made for previous firmwares are incompatible. A version 2 of both the 3.71 M33 and the 1.50 add-on were released on October 2, 2007. It fixed some bugs in the previous firmware. On November 8, 2007, Dark_AleX (Team M33) released version 3 of 3.71 again featuring various bug fixes along with an updater POPSloader to include POPS from FW3.71 and FW3.72. On December 12, 2007, Dark_Alex released update 4 for Firmware 3.71 along with a new multi-disc popsloader.
3.95 GEN is a custom firmware developed by Miriam of PSP-GEN. 3.95 GEN was released on June 01, 2008 at 01:00 pm, (GMT + 1) after being delayed due to server issues. During the delay, Miriam managed to work out most bugs that had existed before the release. This included fixing the Phat's memory limitations, and enabling popsloader to work where it has not previously worked before... The newly added features to 3.95 GEN included vsh-recovery where the recovery menu can be bought up from the XMB. The new recovery menu uses the standard M33 recovery and adds more features such as Pandora Battery creation tools, the ability to hide the MAC Address in the XMB, USB to the UMD. Also, the configuration of Network Update can be changed to search for updates for either GEN firmwares, M33 firmwares, or Sony's official firmwares. Outside of the firmware, the ipl for Slims is patched so units can boot up with a Pandora Battery, as well as load TimeMachine. Popsloader and PSX emulation is fixed and works as long as a user uses the 'popsloader.prx' file included in
the download.


'''3.80 M33'''
The use of the Sony updater is still present. However, the battery check, and IDStorage Key checks still exists. However, the ability to download the '395.PBP' from the Internet does not exist anymore.


On January 14, 2008, Team M33 released the 3.80 M33 Custom Firmware . This update features a new network update feature that when enabled will check for M33 firmware updates. When the feature is disabled through the recovery menu, the network update feature operates as it normally does checking for Sony firmware updates. Team M33 also released update 2 on the same day which fixes with scePowerGetClockFrequencyInt not being resolved properly. Update 2 also fixes a problem with the way PSX eboot icons are displayed if they are 80x80 pixels. A 1.50 Kernel update was also released. Update 3 was released on January 16, 2008; it fixed a synchronization issue that plugins check code cause in PSN NP9660 original games. It also added were a couple libs to the nids resolver and some internal changes required for the new version of the popsloader which was released on that same day. Update 4 was released on the same day to address a quick bugfix. Galaxy.prx was updated because it was causing a problem with slow memory sticks. Update 5 was released on January 20, 2008 that fixed the custom CPU clock not working in games. CPU clock has never (in any SE/OE/M33) be set at all in games that restarted using sceKernelLoadExec to use a subgame or reload themselves, after said restart happened (e.g. Castlevania). Update 5 also added setting to recovery to hide PIC0.PNG and PIC1.PNG in the XMB game menuBy default off, this setting only applies to any kind of apps/games (pbp, iso) that load from MS, but not to UMD's.
As nids has changed from 3.90/3.93 to 3.95, some plugins may or may not work. Also, the MS read times seemed to be addressed by either Sony or Miriam in this release, as the PSP can read data from the MS in the XMB faster than on 3.80/3.90, even with the 3.71 fatmsmod.prx patch included. Some homebrew such as irShell and NervOS cannot fully work.


'''3.90 M33'''
On June 6, 2008, Miriam released 3.95 GEN-2. 3.95 GEN-2 included fixed some of the known bug fixes within the firmware. This update fixed the bug where the PSP will act bricked if the user tried to access the vshMenu when it was turned off from recovery. Also, homebrew compatibility on both the Phat and Slim were increased, and some homebrew such as the latest SNES emulator worked again. On top of that, Phat users were able to use popsloader again since the memory limitation has been addressed and fixed. However, some bugs such as the .at3 file not playing while selecting homebrew and PSP ISOs do not play while on PSX games they do.


Shortly after the 3.90 original firmware was released, 3.90 M33 was released on January 31, 2008. This uses the new 3.90 kernel, and M33 NO UMD was fixed (yet another bug related with exiting with home, infinite semaphore wait). There were also a few changes in the updater. The degeneration check and correction of IDS keys was implemented. Also, the code was added to the update that allowed download 390.PBP from Dark-alex.org via wifi. Also, L+triangle has been restored as the only way to bypass the battery, and 390.PBP checks. A 1.50 kernel addon was also released the same day. On February 13, 2008, revision 2 was released. This improved the plugin mode (improvements in reading speeds, and other bugs) added the rest of regions that can be faked in recovery. The ipl in Slims was patched so it can be allowed to boot with a Pandora Battery inserted. (With Booster's Multi-ipl or the TimeMachine ipl on the memory stick) On March 30, 2008, revision 3 was released and it expanded compatibility for some games ran with the M33 Driver. This included games such as Harvest Moon and Patapon. (Which only ran under the Sony NP9660 loader)
===Version 5.02 GEN===


'''Unofficial 3.93 M33
On January 1, 2009, Miriam released 5.02 GEN-A. After being convinced by the members of PSPGEN to make another custom firmware, [[5.02]] was chosen. Two versions of 5.02 GEN were created. The "full" version of the firmware has all the features just as any other custom firmware such as the ability to play ISOs, and play PSX games. The "lite" version was a stripped down version which only allowed for the use of homebrew, and plugins as well as the use of whatever features the official firmware allows for.
'''


On March 20, 2008, a patch for 3.90 M33-2 was released for both Phats and Slims. This allowed users to "upgrade" their systems to an unofficial version of 3.93 M33. Created by Yellow_Rain, this patch updates the PSP to use the latest version of POPSloader that was changed in 3.93. Also, Yellow_Rain reverse-engineered and updated the popcorn.prx from 3.90 M33 as well as hex-edited the vshctrl.prx file so that the system software relays 3.93 M33 instead of 3.90 M33-2. (Which included the 'GetVersion' opcode) All of the features from 3.90 M33-2 where retained, and it is possible to flash custom flash0 files made for 3.90 M33 to this unofficial version of 3.93 M33.
With 5.02 GEN-A, several new features were added. This included the ability to use Bubbletune's game categories plugin, and Slim color patch, and the ability to reboot into a 5.02 official firmware version on a Slim. Compatibility with homebrew and PSX games have also increased. Other options such as ability to hide the MAC address in the XMB, translation of recovery, the use of popsloader, and the ability to access recovery via the vshMenu are all available for use. A 1.50 Kernel Addon for Phats is available.


Even though that the patch was successful on both Phats and Slims, the updated Posploader created problems for users on both systems. Users report that PSX games will fail to load. When attempting to bring up the Popsloader menu to switch the version of POPS used, it will fail to load. Due to this, many users felt that this was unsuccessful and ended up downgrading back to 3.90 M33-2.
=== Version 5.03 GEN===


However, some users instead used the last Popstation or the oldest Popstation from 3.02 OE-B, which requires keys.bin, and that has successfully launched PSX eboots.
With the advent of the PSP Slim models with the TA-088v3 motherboard and the PSP-3000, custom firmware at the time was impossible. However, with the ChickHEN exploit which makes homebrew available, a temporary form of custom firmware is available. Team GEN released 5.03 GEN (also known as 5.03 HEN) which allow these PSP models to run homebrew and games just as if it had it's complete 5.03 custom firmware. 5.03 GEN is temporary due to ChickHEN. Unlike its 5.50 GEN counterpart, newer games requiring 5.55 or above needed to be decrypted with version 4 of Yoshirio's game decrypter.  


'''4.01 M33'''
With the release of 5.50 GEN-C, it was announced that 5.03 GEN will feature its exact updates in 5.03 GEN-B and will include an updated GEN vshMenu as well as GEN recovery menu. The release is set for sometime around Halloween.


4.01 M33 was released on June 28 2008, and 4.00 M33 was dropped due to Sony releasing 4.01. Although lacking the features mentioned for 4.00 M33, 4.01 M33 does bring the ability to translate the recovery menu to one of various languages that can be customized by yourself. In Addition, 4.01 M33 bought a bugfix with the vshMenu conflicting with operation of the Camera in the XMB. Also, with the GAME3xx (GAME380 on 3.90 M33) is changed to GAME4xx, and it is the standard folder for all 4.xx firmwares. Putting a homebrew in the GAME4xx folder will either launch it under the 3.xx or 4.xx kernel depending on the homebrew. On June 29, 2008, 4.01 M33-2 was released, and it fixed a bug with scePowerGetCpuClockFrequency not being resolved. (The same problem that was fixed with 3.80 M33-2) Also, recovery bugs and the Spanish translation for recovery were adjusted. On the same day, the 1.50 Kernel Addon for 4.01 M33 was released.


= [[HX versions]] =
===Version 5.50 GEN===
On June 13, 2009, 5.50 GEN was released over at PSPGen.com. This time, the firmware isn't made by Miriam, but a completely new developer: GENyUS. To install 5.50GEN, [[3.52 M33]] or higher is required. 5.50 GEN includes al updates of the original [[5.50]] firmware. As normal, 5.50 GEN plays [[homebrew]] games, [[ISO]]/[[CSO]] games and includes a recovery and vshMenu, an updated [[CXMB]] and [[Popsloader]]. The 1.50 Kernel Addon for Phats has yet to be released despite 5.50 GEN's numerous updates to the custom firmware.


'''3.72 HX-1'''
A day later, a Build 4 Patch was released. This patch allows users to access the PlayStation Store after the recent [[5.51]] forcing users to upgrade. This is a workaround allowing this again.


On November 06 2007, homebrew developer "_HellDashX_" released the 3.72HX-1 custom firmware. This custom firmware was made by reverse engineering Dark~AleX's 3.71 M33-2 and then adapting it to the 3.72 firmware. It contains all features from 3.71 M33-2 except the 1.50 kernel extension, which was released shortly after. Also version 2 called 3.72HX-2 has been released.
On July 2, 2009, 5.50 GEN-B was released.  It allowed Evangelion: Jo to be played.  The game would not run if it detected a CFW. On September 6, 2009, 5.50 GEN-B2 was released that fixed several bugs preventing homebrew and Pandora functions to be used. On October 18, 2009, 5.50 GEN-C was released allowing users to run protected games and games requiring firmware 5.55 or higher without any patching with Yoshirio's Game Decrypter. However, due to various issues, it was quickly pulled and 5.50 GEN-D was released three days later on October 21. 5.50 GEN-D included all the features of 5.50 GEN-C, fixed its bugs including the 480x272 AVC video playback problem, and allowed users to connect to the PSN via MediaGO without the use of the USB Plugin Faker. On October 24, 5.50 GEN-D2 was released which allowed Evangelion: Jo to play again, fixed the WPA-PSK bug issue found on 5.50 GEN-D, fixed the output of 5.xx and 6.xx games, fixed the Make Pandora battery option in recovery and finally replaced their old gameboot with one that flashes red if the now in-built decrypter worked successfully.


'''3.73 HX-1'''
==TDP Firmware==


On November 30 2007, "_HellDashX_" issued a statement that 3.73 HX-1 was created and released on December 12, 2007.
===Version 5.03 TDP===


This firmware enabled access to the official PSP features and changes, as well the “custom” factor enabling homebrew, etc
On April 4, 2009, the TodoPSP Team released their third revision to their 5.03 TDP custom firmware. This release has caused them to spring up in the PSP homebrew community. Version 3 includes a tdpDevKit tool which allows users to patch certain firmware specific homebrew files such as irShell to be compatible with 5.03 TDP. There has been a few bugs reported and 5.03 TDP-4 has been confirmed for release with no specific date.


= [[GEN Firmware]] =
==Firmware by Unknown Author(s)==


'''CFW 3.93'''
===CFW 3.93===


On April 26, 2008 an unknown developer released 3.93 CFW on pspgen.com. This CFW was made with permission from Dark_AleX and others. According to the readme, this CFW now uses the 3.93 kernel, and has added several features. These are the ability to access recovery from the XMB, the ability to make a Pandora Battery (convert/revert battery) from recovery, save savedata in its normal, unencrypted state, and the ability to hide the PSP Mac Address in the XMB. (Changing it to all 0's)
On April 26, 2008 an unknown developer released 3.93 CFW on pspgen.com. This CFW was made with permission from Dark_AleX and others. According to the readme, this CFW now uses the 3.93 kernel, and has added several features. These are the ability to access recovery from the XMB, the ability to make a Pandora Battery (convert/revert battery) from recovery, save savedata in its normal, unencrypted state, and the ability to hide the PSP Mac Address in the XMB. (Changing it to all 0's)
Line 146: Line 161:
On May 3, 2008, an new Update (named Update 2) has been made available. Update 2 fixed a bug in the Sony's OSK where pressing SELECT while it was up would freeze the system. Also, Hellcat's Savegame Deemer was removed. However, it can still be used a an ordinary plugin.
On May 3, 2008, an new Update (named Update 2) has been made available. Update 2 fixed a bug in the Sony's OSK where pressing SELECT while it was up would freeze the system. Also, Hellcat's Savegame Deemer was removed. However, it can still be used a an ordinary plugin.


==Custom Firmware downloads by author==


'''3.95 GEN'''
===Dark_AleX (author of OE and M33 CFW's)===


3.95 GEN is a custom firmware developed by Miriam of PSP-GEN. 3.95 GEN was released on June 01, 2008 at 01:00 pm, (GMT + 1) after being delayed due to server issues. During the delay, Miriam managed to work out most bugs that had existed before the release. This included fixing the Phat's memory limitations, and enabling popsloader to work where it has not previously worked before... The newly added features to 3.95 GEN included vsh-recovery where the recovery menu can be bought up from the XMB. The new recovery menu uses the standard M33 recovery and adds more features such as Pandora Battery creation tools, the ability to hide the MAC Address in the XMB, USB to the UMD. Also, the configuration of Network Update can be changed to search for updates for either GEN firmwares, M33 firmwares, or Sony's official firmwares. Outside of the firmware, the ipl for Slims is patched so units can boot up with a Pandora Battery, as well as load TimeMachine. Popsloader and PSX emulation is fixed and works as long as a user uses the 'popsloader.prx' file included in the download.
''All Dark_Alex downloads listed will redirect to the forum topic on Dark_AleX Forums. There is no need to register to download. ''


The use of the Sony updater is still present. However, the battery check, and IDStorage Key checks still exists. However, the ability to download the '395.PBP' from the Internet does not exist anymore.
Version 1.50 POC
 
http://exophase.com/files/psp/cf_proofofconcept.zip - Dark_AleX's Proof Of Concept 1.50 Custom Firmware
 
2.71 SE
 
http://dax.st/271SE_A.RAR - 2.71 Special Edition - Revision A
http://dax.st/271_SEB.RAR - 2.71 Special Edition - Revision B
http://dax.st/271_SEB2.RAR - 2.71 Special Edition - Revision B'  
http://dax.st/seb3.rar - 2.71 Special Edition - Revision B''  
http://dax.st/sec.rar - 2.71 Special Edition - Revision C
 
3.02 OE
 
http://dax.st/302OE.rar - 3.02 Open Edition - Revision A
http://dax.st/oeb.rar - 3.02 Open Edition - Revision B
 
3.03 OE
 
http://dax.st/303oe.rar - 3.03 Open Edition - Revision A
http://dax.st/oe_a2update.rar - 3.03 Open Edition - Revision A'
http://dax.st/OEB_UPDATE.RAR - 3.03 Open Edition - Revision B
http://dax.st/303oe_C.rar - 3.03 Open Edition - Revision C
 
3.10 OE
 
http://dax.st/310oe_a.rar - 3.10 Open Edition- Revision A
http://dax.st/310_a2update.rar - 3.10 Open Edition- Revision A'
 
3.03 And 3.10 Open Edition Mix for UP
 
http://dax.st/303_10oe_mix.rar - 3.03 And 3.10 Open Edition Mix for UP
 
3.40 OE
 
http://dax.st/340_oea.rar - 3.40 Open Edition - Revision A
 
3.51 M33
 
http://exophase.com/files/psp/m33rel.rar - 3.51 M33
http://exophase.com/files/psp/m33wlanfix.rar - 3.51 M33 (WLAN fix)
http://exophase.com/files/psp/No-Umd-M33.zip - 3.51 M33-3
http://exophase.com/files/psp/M33-4.zip - 3.51 M33-4
http://exophase.com/files/psp/M33_5.zip - 3.51 M33-5
http://exophase.com/files/psp/M33-6.zip - 3.51 M33-6
http://exophase.com/files/psp/M33-7.zip - 3.51 M33-7
 
3.52 M33
 
http://exophase.com/files/psp/3.52M33.zip - 3.52 M33
http://exophase.com/files/psp/M33UPDATE2.zip - 3.52 M33-2
http://exophase.com/files/psp/m33-333.zip - 3.52 M33-3
http://exophase.com/files/psp/M33-1234.zip - 3.52 M33-4
 
3.60 M33 for Slim
 
http://exophase.com/files/psp/360M33_for_Slim.zip - 3.60 M33
 
3.71 M33
 
http://exophase.com/files/psp/release.rar - 3.71 M33
http://exophase.com/files/psp/m33update2.rar - 3.71 M33-2
http://exophase.com/files/psp/371m33-3.zip - 3.71 M33-3
http://www.dark-alex.org/m33update4.zip - 3.71 M33-4
 
3.80 M33
 
http://dax.st/380_m33.rar - 3.80 M33
http://dax.st/m33update2.rar - 3.80 M33-2
http://dax.st/380m33_3.rar - 3.80 M33-3
http://dax.st/380m33_4.rar - 3.80 M33-4
http://exophase.com/files/psp/380m33update5.rar - 3.80 M33-5
 
3.90 M33
 
http://exophase.com/files/psp/390m33.rar - 3.90 M33
http://exophase.com/files/psp/390m33_2.rar - 3.90 M33-2
http://exophase.com/files/psp/390m33_3.rar - 3.90 M33-3
 
4.01 M33
 
http://forums.exophase.com/showthread.php?t=7668 - 4.01 M33
http://forums.exophase.com/showthread.php?t=7675 - 4.01 M33-2
5.00 M33
 
  http://www.dark-alex.org/forum/viewtopic.php?f=44&t=1521&p=15012#p15012 - 5.00 M33
  http://www.dark-alex.org/forum/viewtopic.php?f=44&t=1844 - 5.00 M33-2
  http://www.dark-alex.org/forum/viewtopic.php?f=44&t=1893 - 5.00 M33-3
  http://www.dark-alex.org/forum/viewtopic.php?f=44&t=4532 - 5.00 M33-4
  http://www.dark-alex.org/forum/viewtopic.php?f=44&t=8154 - 5.00 M33-5
  http://www.dark-alex.org/forum/viewtopic.php?f=44&t=8158 - 5.00 M33-6
 
===Team Wildc*rd===
 
3.40* LE
 
http://dl.qj.net/3.40-LE-Team-Wildcard-Custom-Firmware-PSP/pg/12/fid/14242/catid/163 - 3.40 LE By Team Wildc*rd
http://dl.qj.net/3.40-LE-from-Team-Wildcard-v2-PSP/pg/12/fid/14251/catid/163 - 3.40 LE-2
http://dl.qj.net/CFW-3.40-LE-v3-(by-Team-Wildcard)-PSP/pg/12/fid/14256/catid/163 - 3.40 LE-3
 
===xHellDashx===
 
3.72 HX
 
http://dl.qj.net/Custom-Firmware-3.72-HX-1-PSP/pg/12/fid/15067/catid/163 - 3.72 HX-1
http://dl.qj.net/Custom-Firmware-3.72-HX-2-PSP/pg/12/fid/15147/catid/163 - 3.72 HX-2
 
3.73 HX
 
http://dl.qj.net/PSP-3.73-HX-1-PSP/pg/12/fid/15393/catid/163 - 3.73 HX-1
 
===Ketchup===
 
3.93 CFW
 
http://www.pspgen.com/modules.php?name=Downloads&d_op=getit&lid=4027 - 3.93 CFW
http://www.pspgen.com/modules.php?name=News&file=article&sid=6772&mode=&order=0&thold=0 - 3.93 CFW -2
 
===Miriam (GEN Firmwares)===
 
3.95 GEN
 
http://www.pspgen.com/modules.php?name=Downloads&d_op=getit&lid=4287 - 3.95 GEN
http://www.pspgen.com/modules.php?name=Downloads&d_op=getit&lid=4335 - 3.95 GEN-2
 
5.02 GEN-A


As nids has changed from 3.90/3.93 to 3.95, some plugins may or may not work. Also, the MS read times seemed to be addressed by either Sony or Miriam in this release, as the PSP can read data from the MS in the XMB faster than on 3.80/3.90, even with the 3.71 fatmsmod.prx patch included. Some homebrew such as irShell and NervOS cannot fully work.
  http://www.pspgen.com/divers/telecharger-184731.html - 5.02 GEN-A


'''3.95 GEN-2'''
===GENyUS (New GEN Firmwares)===


On June 6, 2008, Miriam released 3.95 GEN-2. 3.95 GEN-2 included fixed some of the known bug fixes within the firmware. This update fixed the bug where the PSP will act bricked if the user tried to access the vshMenu when it was turned off from recovery. Also, homebrew compatibility on both the Phat and Slim were increased, and some homebrew such as the latest SNES emulator worked again. On top of that, Phat users were able to use popsloader again since the memory limitation has been addressed and fixed. However, some bugs such as the .at3 file not playing while selecting homebrew and PSP ISOs do not play while on PSX games they do.
5.50 GEN


= [[Other Custom Firmwares]] =
http://www.pspgen.com/custom-firmware-5-50gen-telechargement-188076.html - 5.50GEN-A
http://www.pspgen.com/custom-firmware-5-50gen-b-telechargement-188493.html - 5.50GEN-B
English mirrors:
http://www.psp-hacks.com/file/1745 - 5.50GEN-A
http://www.psp-hacks.com/file/1764 - 5.50GEN-B
http://pspupdates.qj.net/PSP-Homebrew-CFW-5-50-GEN-C-now-out/pg/49/aid/135319 - 5.50GEN-C
http://www.psp-hacks.com/file/1840 - 5.50GEN-D
http://www.psp-hacks.com/file/1841 - 5.50GEN-D2
http://dl.qj.net/psp/homebrew-applications/550gen-d3.html - 5.50GEN-D3
http://dl.qj.net/psp/homebrew-applications/custom-firmware-550gen-d3-final.html - 5.50GEN-D3-2


'''1.53 Custom Firmware'''
===TodoPSP (TDP Firmwares)===


On 19 February 2007, a custom firmware was released by Eiffel56. This firmware was called 1.53 to avoid confusion between the official 1.51 and 1.52 firmwares compared to this custom version. This version is built for firmware 1.50 loyalists as not every user wished to upgrade to the SE or OE firmwares. This firmware offered many features offered in the 1.50 Proof of Concept firmware by Dark AleX such as a limited recovery mode, autoboot option, custom PRX loading, launching 1.00 Homebrew eBoots, hiding corrupt data icons and starting ISO files from the XMB.
5.03 TDP


'''3.40* LE (Leaked Edition)'''
  http://www.todopsp.com/foros/showthread.php?t=99670 - 5.03 TDP-2
  http://www.megaupload.com/?d=8L8XRF2E - 5.03 TDP-3


On August 08 2007, Team Wildcard released a reverse engineered version to the OE Custom firmware source code. The firmware was released after it was leaked from Team Wildcard's servers. The firmware contains all the features of 3.40 OE but contains features such as a new recovery menu,(later dubbed LE Recovery), and in XMB recovery access. Many users complained, since it was not 100% complete, it contained many bugs and glitches. The vast majority of the bugs were addressed in subsequent patches to the original firmware, which also added features such as the automatic detection of which kernel should be used to run homebrew.
[[Category:Firmware]]

Latest revision as of 19:36, 1 April 2024

Before downloading and installing Custom Firmware, read Installing Custom Firmware to learn about the install process and how to avoid damaging your PSP!

Custom Firmwares are modified versions of Official Firmwares released by Sony for the Sony PSP(PlayStation Portable). You have to use the official firmware file with the file that is provided when downloading CFW's. Custom Firmwares are made with the intention of unlocking the full potential of one's PSP, including a Recovery Menu, Internal Flash access, running of unencrypted code, running of UMD Game Backups in the form of CSOs, ISOs, or in Dark_Alex's DAX format.


About Custom Firmware[edit | edit source]

Custom firmwares used a subset of the commonly known 1.50 firmware to enable a newer custom firmware to run homebrew capabilities, while newer custom firmwares use a custom IPL to launch the firmware and patch it. On firmwares with 1.50 kernel installed, less used features are removed in newer versions including "LocationFree Player" and Korean fonts in order to gain flash0 space. The firmware adds support for 1.50 homebrew in addition to loading official Sony EBOOTs, integrating an ISO/CSO loader launched from the XMB game menu, and a recovery menu accessible upon boot-up. (Or accessible from the XMB in some firmwares)

Early Custom Firmware Versions[edit | edit source]

Version 1.50 POC[edit | edit source]

On July 15 2006, a limited 1.50 custom firmware (named a proof of concept) was released by Dark AleX, allowing the execution of version 1.00 EBOOTs, access to a limited recovery mode, and ability to automatically load an application upon start. Other custom firmwares have since been released. Today, there are more developed versions such as "Casual V3" and the SE/OE/M33 firmwares.

Version 1.53 Custom Firmware[edit | edit source]

On 19 February 2007, a custom firmware was released by Eiffel56. This firmware was called 1.53 to avoid confusion between the official 1.51 and 1.52 firmwares compared to this custom version. This version is built for firmware 1.50 loyalists as not every user wished to upgrade to the SE or OE firmwares. This firmware offered many features offered in the 1.50 Proof of Concept firmware by Dark AleX such as a limited recovery mode, autoboot option, custom PRX loading, launching 1.00 Homebrew eBoots, hiding corrupt data icons and starting ISO files from the XMB.

Version 2.71 SE by Dark_AleX[edit | edit source]

On October 8 2006, Dark AleX's custom firmware 2.71 SE-A was released, which utilizes the features of the 2.71 web browser, video features, RSS feeds, WMA capabilities and flash capabilities for the web browser. Also in this custom firmware was full 1.50 user and kernel homebrew usage and full 2.71 user and kernel homebrew, as well as a recovery mode for unbricking "Semi-Bricked" PSPs from bad flashing etc.

An update to this new custom firmware came out on the 24th of the same month. In this update, 2.71 SE-B, the major feature is the loading of ISOs and CSOs from the game menu in the XMB. Just two days later it was updated to 2.71 SE-B' which includes NO-UMD ISO loading. A few days later, 2.71 SE-B" was released. It allowed the ability to run 2.80+ games, including GTA VCS. It also fixed some bugs found in 2.71 SE-B'. The latest version is 2.71 SE-C, which allows the loading of PRX files directly from the memory stick. This enables the option to safely add new functions to the firmware, for example the ability to listen to MP3 files while showing photos.

Epsilon Bios[edit | edit source]

On July 23 2006, a custom firmware, Epsilon Bios, was released for use with the Undiluted Platinum modchip. This firmware could only be used on PSPs with the modchip. This firmware resides on the modchip while it "piggybacks" the firmware on the PSP's flash.

Open Edition Firmware by Dark_AleX[edit | edit source]

Version 3.02 OE[edit | edit source]

On December 21 2006, a new custom firmware called "3.02 OE-A" was released by Dark AleX. It contains the same features of 2.71 SE-C as well as all the 3.02 features excluding the Location Free player and the Korean fonts. New features added to this custom firmware include WMA and Flash Player enabling through the Recovery Menu and cracking the Digital Rights Management of the PSX emulator, allowing users to share PSX games to other PSP systems.

On December 25 2006, an update to the 3.02 OE-A Firmware was released called "3.02 OE-B." Its main feature was the ability to run PSX games from a memory stick using a ripping utility called "popstation" released alongside the new firmware.

Version 3.03 OE[edit | edit source]

On January 4 2007, the custom firmware "3.03 OE-A" was released by Dark AleX. It has the same features of 3.02 OE-B along with the ability to run compressed PSX games and support for custom manuals in PSX games. Later on January 6 2007, 3.03 OE-A', also known as 3.03 OE-A2, was released. A new feature in this release is the ability to change the CPU/Bus speed in UMD/ISO games.

On January 10 2007, a "3.03 OE-B" custom firmware was released by Dark AleX. This custom firmware required 3.03 OE-A/A' firmware to be installed first. A new feature in this release is the ability to play full screen (480 X 272) H.264/MPEG-4 AVC|MP4-AVC videos.

On January 25 2007, Dark AleX released "3.03 OE-C" custom firmware. This was a major update and thus required a full install. Among the features are the ability to use WiFi at 333 MHz, the maximum bit-rate limit of MP4-AVC videos is raised from 768 kbit/s to 16384 kbit/s (16 Mbit/s), the ability to change the CPU/Bus speed of the XMB, and faster cold-boot as well as several other new features.

Version 3.10 OE[edit | edit source]

On February 4 2007, a "3.10 OE-A" custom firmware was released by Dark AleX, allowing screen brightness to be set to the 4th level without having to connect the AC adapter along with the ability to run static Executable and Linkable Format (ELF) created homebrew with the 3.10 kernel.

On February 6 2007, a "3.10 OE-A' / A2" update for 3.10 OE-A was released by Dark AleX, fixing a simple bug in the execution of PSP games including Metal Slug 6 and others. The bug was caused by the incorrect patching of a static ELF in some cases. This was only a minor update, however, and therefore was not needed by everyone running the custom firmware.

Version 3.30 OE[edit | edit source]

3.30 OE-A was released on April 15 2007. It offers all past features from other custom firmwares, as well as all features (except LocationFree Player) built into the official 3.30. IT included 1.50 features, as well as ISO/CSO loading and homebrew support. A 3.30 OE-A' update was released on April 20 2007. This release includes a fix to security bug that overwrites certain parts of the RAM and also reintroduces the auto-boot program feature.

Version 3.40 OE[edit | edit source]

3.40 OE was released on April 20 2007. This release includes the same changes made in 3.30 OE-A' except it now uses the 3.40 firmware. It fixed a bug that caused data to be written to random addresses in the PSP's RAM. If the bug caused memory writes to certain kernel functions, the console could potentially be rendered unusable if those functions were accessed. Autoboot, which had been broken since 3.03 OE, was reimplemented. Improvements in the flasher were made to check that the correct DATA.DXAR file is used for an update, thus preventing people using incorrect firmware version data files from rendering their PSP units useless.

LE Versions by Team Wildcard[edit | edit source]

Version 3.40* LE[edit | edit source]

On June 08 2007, Team Wildcard released a reverse engineered version to the OE Custom firmware source code. The firmware was released after it was leaked from Team Wildcard's servers. The firmware contains all the features of 3.40 OE but contains features such as a new recovery menu,(later dubbed LE Recovery), and in XMB recovery access. Many users complained, since it was not 100% complete, it contained many bugs and glitches. The vast majority of the bugs were addressed in subsequent patches to the original firmware, which also added features such as the automatic detection of which kernel should be used to run homebrew.

Increasing Edition Versions by becus25[edit | edit source]

Version 1.62 IE Custom Firmware[edit | edit source]

In March 2007, user becus25 released 1.62 IE-A. The latest version is 1.62 IE-D. Like custom firmware 1.53, it is based off the 1.5 kernel. Earlier versions of 1.62 IE would often cause bricks when the flash was modified, but updates were soon released fixing the problem. Currently though, 1.62 IE is only compatible with TA-079 motherboards and will brick on TA-082 and later motherboards. Features are similar to other firmwares including recovery mode, autoboot, and flash access. Becus25 has also modified the popular app by Booster, Devhook, which allows firmwares to run from the memory stick, virtually removing the chance of bricking.

Version 3.02 IE-A[edit | edit source]

In July 2007, user becus25 released 3.02 IE-A which incorporated 3.02 OE with some improvements of IE. He later released an update which resolved certain bugs in the initial release.

Version 3.40 IE[edit | edit source]

On August 07 2007, becus25 released his modification of 3.40 OE which includes a new "recovery menu" to use along with the OE one, called 3.40 IE-A. Several days later, becus25 released 3.40 IE-A2, with less chance of bricking, and some bug fixes in the recovery menu. It was met with much negative feedback from the homebrew community, due to the fact that it was, essentially, useless. Because of this, as well as personal issues, becus25 quit making firmware and homebrew.

M33 Firmware by Team M33[edit | edit source]

See the M33 Firmware page.

HX Versions by "_HellDashX_"[edit | edit source]

Version 3.72 HX[edit | edit source]

On November 06 2007, homebrew developer "_HellDashX_" released the 3.72HX-1 custom firmware. This custom firmware was made by reverse engineering Dark~AleX's 3.71 M33-2 and then adapting it to the 3.72 firmware. It contains all features from 3.71 M33-2 except the 1.50 kernel extension, which was released shortly after. A newer version called 3.72HX-2 has been released.

Version 3.73 HX[edit | edit source]

3.73 HX-1 was created and released on December 12, 2007 by "_HellDashX_".

This firmware enabled access to the official PSP features and changes, as well the “custom” factor enabling homebrew, etc

GEN Firmware[edit | edit source]

CFW 3.93

On April 26, 2008 an unknown developer released 3.93 CFW on pspgen.com. This CFW was made with permission from Dark_AleX and others. According to the readme, this CFW now uses the 3.93 kernel, and has added several features. These are the ability to access recovery from the XMB, the ability to make a Pandora Battery (convert/revert battery) from recovery, save savedata in its normal, unencrypted state, and the ability to hide the PSP Mac Address in the XMB. (Changing it to all 0's)

Although with the approval of Dark_AleX and Math, a few bugs has arisen. These are minor bugs and does not affect the firmware in any way. Sometimes, the Hide Pic0 in Game Menu and the Hide Mac Address options does not always work. This would require a user to reset their devices in order for it to be fully functional. Also, the CXMB 3.1 plugin cannot work with the Hide Mac Address option from the Recovery-Vsh Menu as it will freeze the System sub-menus in the XMB.

However, the firmware has been tested and 3.90 flash0 themes as well as CXMB are known to work properly. Also, the 3.90 IRShell patch can be successfully done enabling users to fully unlock the potential of IRShell.

A day later on April 27, 2008, a 1.50 Kernel Addon was released.

On May 3, 2008, an new Update (named Update 2) has been made available. Update 2 fixed a bug in the Sony's OSK where pressing SELECT while it was up would freeze the system. Also, Hellcat's Savegame Deemer was removed. However, it can still be used a an ordinary plugin.

Version 3.95 GEN[edit | edit source]

3.95 GEN is a custom firmware developed by Miriam of PSP-GEN. 3.95 GEN was released on June 01, 2008 at 01:00 pm, (GMT + 1) after being delayed due to server issues. During the delay, Miriam managed to work out most bugs that had existed before the release. This included fixing the Phat's memory limitations, and enabling popsloader to work where it has not previously worked before... The newly added features to 3.95 GEN included vsh-recovery where the recovery menu can be bought up from the XMB. The new recovery menu uses the standard M33 recovery and adds more features such as Pandora Battery creation tools, the ability to hide the MAC Address in the XMB, USB to the UMD. Also, the configuration of Network Update can be changed to search for updates for either GEN firmwares, M33 firmwares, or Sony's official firmwares. Outside of the firmware, the ipl for Slims is patched so units can boot up with a Pandora Battery, as well as load TimeMachine. Popsloader and PSX emulation is fixed and works as long as a user uses the 'popsloader.prx' file included in the download.

The use of the Sony updater is still present. However, the battery check, and IDStorage Key checks still exists. However, the ability to download the '395.PBP' from the Internet does not exist anymore.

As nids has changed from 3.90/3.93 to 3.95, some plugins may or may not work. Also, the MS read times seemed to be addressed by either Sony or Miriam in this release, as the PSP can read data from the MS in the XMB faster than on 3.80/3.90, even with the 3.71 fatmsmod.prx patch included. Some homebrew such as irShell and NervOS cannot fully work.

On June 6, 2008, Miriam released 3.95 GEN-2. 3.95 GEN-2 included fixed some of the known bug fixes within the firmware. This update fixed the bug where the PSP will act bricked if the user tried to access the vshMenu when it was turned off from recovery. Also, homebrew compatibility on both the Phat and Slim were increased, and some homebrew such as the latest SNES emulator worked again. On top of that, Phat users were able to use popsloader again since the memory limitation has been addressed and fixed. However, some bugs such as the .at3 file not playing while selecting homebrew and PSP ISOs do not play while on PSX games they do.

Version 5.02 GEN[edit | edit source]

On January 1, 2009, Miriam released 5.02 GEN-A. After being convinced by the members of PSPGEN to make another custom firmware, 5.02 was chosen. Two versions of 5.02 GEN were created. The "full" version of the firmware has all the features just as any other custom firmware such as the ability to play ISOs, and play PSX games. The "lite" version was a stripped down version which only allowed for the use of homebrew, and plugins as well as the use of whatever features the official firmware allows for.

With 5.02 GEN-A, several new features were added. This included the ability to use Bubbletune's game categories plugin, and Slim color patch, and the ability to reboot into a 5.02 official firmware version on a Slim. Compatibility with homebrew and PSX games have also increased. Other options such as ability to hide the MAC address in the XMB, translation of recovery, the use of popsloader, and the ability to access recovery via the vshMenu are all available for use. A 1.50 Kernel Addon for Phats is available.

Version 5.03 GEN[edit | edit source]

With the advent of the PSP Slim models with the TA-088v3 motherboard and the PSP-3000, custom firmware at the time was impossible. However, with the ChickHEN exploit which makes homebrew available, a temporary form of custom firmware is available. Team GEN released 5.03 GEN (also known as 5.03 HEN) which allow these PSP models to run homebrew and games just as if it had it's complete 5.03 custom firmware. 5.03 GEN is temporary due to ChickHEN. Unlike its 5.50 GEN counterpart, newer games requiring 5.55 or above needed to be decrypted with version 4 of Yoshirio's game decrypter.

With the release of 5.50 GEN-C, it was announced that 5.03 GEN will feature its exact updates in 5.03 GEN-B and will include an updated GEN vshMenu as well as GEN recovery menu. The release is set for sometime around Halloween.


Version 5.50 GEN[edit | edit source]

On June 13, 2009, 5.50 GEN was released over at PSPGen.com. This time, the firmware isn't made by Miriam, but a completely new developer: GENyUS. To install 5.50GEN, 3.52 M33 or higher is required. 5.50 GEN includes al updates of the original 5.50 firmware. As normal, 5.50 GEN plays homebrew games, ISO/CSO games and includes a recovery and vshMenu, an updated CXMB and Popsloader. The 1.50 Kernel Addon for Phats has yet to be released despite 5.50 GEN's numerous updates to the custom firmware.

A day later, a Build 4 Patch was released. This patch allows users to access the PlayStation Store after the recent 5.51 forcing users to upgrade. This is a workaround allowing this again.

On July 2, 2009, 5.50 GEN-B was released. It allowed Evangelion: Jo to be played. The game would not run if it detected a CFW. On September 6, 2009, 5.50 GEN-B2 was released that fixed several bugs preventing homebrew and Pandora functions to be used. On October 18, 2009, 5.50 GEN-C was released allowing users to run protected games and games requiring firmware 5.55 or higher without any patching with Yoshirio's Game Decrypter. However, due to various issues, it was quickly pulled and 5.50 GEN-D was released three days later on October 21. 5.50 GEN-D included all the features of 5.50 GEN-C, fixed its bugs including the 480x272 AVC video playback problem, and allowed users to connect to the PSN via MediaGO without the use of the USB Plugin Faker. On October 24, 5.50 GEN-D2 was released which allowed Evangelion: Jo to play again, fixed the WPA-PSK bug issue found on 5.50 GEN-D, fixed the output of 5.xx and 6.xx games, fixed the Make Pandora battery option in recovery and finally replaced their old gameboot with one that flashes red if the now in-built decrypter worked successfully.

TDP Firmware[edit | edit source]

Version 5.03 TDP[edit | edit source]

On April 4, 2009, the TodoPSP Team released their third revision to their 5.03 TDP custom firmware. This release has caused them to spring up in the PSP homebrew community. Version 3 includes a tdpDevKit tool which allows users to patch certain firmware specific homebrew files such as irShell to be compatible with 5.03 TDP. There has been a few bugs reported and 5.03 TDP-4 has been confirmed for release with no specific date.

Firmware by Unknown Author(s)[edit | edit source]

CFW 3.93[edit | edit source]

On April 26, 2008 an unknown developer released 3.93 CFW on pspgen.com. This CFW was made with permission from Dark_AleX and others. According to the readme, this CFW now uses the 3.93 kernel, and has added several features. These are the ability to access recovery from the XMB, the ability to make a Pandora Battery (convert/revert battery) from recovery, save savedata in its normal, unencrypted state, and the ability to hide the PSP Mac Address in the XMB. (Changing it to all 0's)

Although with the approval of Dark_AleX and Math, a few bugs has arisen. These are minor bugs and does not affect the firmware in any way. Sometimes, the Hide Pic0 in Game Menu and the Hide Mac Address options does not always work. This would require a user to reset their devices in order for it to be fully functional. Also, the CXMB 3.1 plugin cannot work with the Hide Mac Address option from the Recovery-Vsh Menu as it will freeze the System sub-menus in the XMB.

However, the firmware has been tested and 3.90 flash0 themes as well as CXMB are known to work properly. Also, the 3.90 IRShell patch can be successfully done enabling users to fully unlock the potential of IRShell.

A day later on April 27, 2008, a 1.50 Kernel Addon was released.

On May 3, 2008, an new Update (named Update 2) has been made available. Update 2 fixed a bug in the Sony's OSK where pressing SELECT while it was up would freeze the system. Also, Hellcat's Savegame Deemer was removed. However, it can still be used a an ordinary plugin.

Custom Firmware downloads by author[edit | edit source]

Dark_AleX (author of OE and M33 CFW's)[edit | edit source]

All Dark_Alex downloads listed will redirect to the forum topic on Dark_AleX Forums. There is no need to register to download.

Version 1.50 POC 

http://exophase.com/files/psp/cf_proofofconcept.zip - Dark_AleX's Proof Of Concept 1.50 Custom Firmware

2.71 SE 

http://dax.st/271SE_A.RAR - 2.71 Special Edition - Revision A 
http://dax.st/271_SEB.RAR - 2.71 Special Edition - Revision B 
http://dax.st/271_SEB2.RAR - 2.71 Special Edition - Revision B' 
http://dax.st/seb3.rar - 2.71 Special Edition - Revision B 
http://dax.st/sec.rar - 2.71 Special Edition - Revision C

3.02 OE 

http://dax.st/302OE.rar - 3.02 Open Edition - Revision A 
http://dax.st/oeb.rar - 3.02 Open Edition - Revision B

3.03 OE 

http://dax.st/303oe.rar - 3.03 Open Edition - Revision A 
http://dax.st/oe_a2update.rar - 3.03 Open Edition - Revision A' 
http://dax.st/OEB_UPDATE.RAR - 3.03 Open Edition - Revision B 
http://dax.st/303oe_C.rar - 3.03 Open Edition - Revision C

3.10 OE 

http://dax.st/310oe_a.rar - 3.10 Open Edition- Revision A 
http://dax.st/310_a2update.rar - 3.10 Open Edition- Revision A'

3.03 And 3.10 Open Edition Mix for UP 

http://dax.st/303_10oe_mix.rar - 3.03 And 3.10 Open Edition Mix for UP

3.40 OE 

http://dax.st/340_oea.rar - 3.40 Open Edition - Revision A

3.51 M33 

http://exophase.com/files/psp/m33rel.rar - 3.51 M33 
http://exophase.com/files/psp/m33wlanfix.rar - 3.51 M33 (WLAN fix)
http://exophase.com/files/psp/No-Umd-M33.zip - 3.51 M33-3 
http://exophase.com/files/psp/M33-4.zip - 3.51 M33-4 
http://exophase.com/files/psp/M33_5.zip - 3.51 M33-5 
http://exophase.com/files/psp/M33-6.zip - 3.51 M33-6 
http://exophase.com/files/psp/M33-7.zip - 3.51 M33-7

3.52 M33 

http://exophase.com/files/psp/3.52M33.zip - 3.52 M33 
http://exophase.com/files/psp/M33UPDATE2.zip - 3.52 M33-2 
http://exophase.com/files/psp/m33-333.zip - 3.52 M33-3 
http://exophase.com/files/psp/M33-1234.zip - 3.52 M33-4

3.60 M33 for Slim 

http://exophase.com/files/psp/360M33_for_Slim.zip - 3.60 M33

3.71 M33 

http://exophase.com/files/psp/release.rar - 3.71 M33 
http://exophase.com/files/psp/m33update2.rar - 3.71 M33-2 
http://exophase.com/files/psp/371m33-3.zip - 3.71 M33-3 
http://www.dark-alex.org/m33update4.zip - 3.71 M33-4

3.80 M33 

http://dax.st/380_m33.rar - 3.80 M33 
http://dax.st/m33update2.rar - 3.80 M33-2 
http://dax.st/380m33_3.rar - 3.80 M33-3 
http://dax.st/380m33_4.rar - 3.80 M33-4 
http://exophase.com/files/psp/380m33update5.rar - 3.80 M33-5

3.90 M33 

http://exophase.com/files/psp/390m33.rar - 3.90 M33
http://exophase.com/files/psp/390m33_2.rar - 3.90 M33-2
http://exophase.com/files/psp/390m33_3.rar - 3.90 M33-3

4.01 M33 

http://forums.exophase.com/showthread.php?t=7668 - 4.01 M33
http://forums.exophase.com/showthread.php?t=7675 - 4.01 M33-2

5.00 M33 

 http://www.dark-alex.org/forum/viewtopic.php?f=44&t=1521&p=15012#p15012 - 5.00 M33
 http://www.dark-alex.org/forum/viewtopic.php?f=44&t=1844 - 5.00 M33-2
 http://www.dark-alex.org/forum/viewtopic.php?f=44&t=1893 - 5.00 M33-3
 http://www.dark-alex.org/forum/viewtopic.php?f=44&t=4532 - 5.00 M33-4
 http://www.dark-alex.org/forum/viewtopic.php?f=44&t=8154 - 5.00 M33-5
 http://www.dark-alex.org/forum/viewtopic.php?f=44&t=8158 - 5.00 M33-6

Team Wildc*rd[edit | edit source]

3.40* LE 

http://dl.qj.net/3.40-LE-Team-Wildcard-Custom-Firmware-PSP/pg/12/fid/14242/catid/163 - 3.40 LE By Team Wildc*rd
http://dl.qj.net/3.40-LE-from-Team-Wildcard-v2-PSP/pg/12/fid/14251/catid/163 - 3.40 LE-2
http://dl.qj.net/CFW-3.40-LE-v3-(by-Team-Wildcard)-PSP/pg/12/fid/14256/catid/163 - 3.40 LE-3

xHellDashx[edit | edit source]

3.72 HX 

http://dl.qj.net/Custom-Firmware-3.72-HX-1-PSP/pg/12/fid/15067/catid/163 - 3.72 HX-1
http://dl.qj.net/Custom-Firmware-3.72-HX-2-PSP/pg/12/fid/15147/catid/163 - 3.72 HX-2

3.73 HX 

http://dl.qj.net/PSP-3.73-HX-1-PSP/pg/12/fid/15393/catid/163 - 3.73 HX-1

Ketchup[edit | edit source]

3.93 CFW 

http://www.pspgen.com/modules.php?name=Downloads&d_op=getit&lid=4027 - 3.93 CFW
http://www.pspgen.com/modules.php?name=News&file=article&sid=6772&mode=&order=0&thold=0 - 3.93 CFW -2

Miriam (GEN Firmwares)[edit | edit source]

3.95 GEN 

http://www.pspgen.com/modules.php?name=Downloads&d_op=getit&lid=4287 - 3.95 GEN
http://www.pspgen.com/modules.php?name=Downloads&d_op=getit&lid=4335 - 3.95 GEN-2

5.02 GEN-A 

  http://www.pspgen.com/divers/telecharger-184731.html - 5.02 GEN-A

GENyUS (New GEN Firmwares)[edit | edit source]

5.50 GEN 

http://www.pspgen.com/custom-firmware-5-50gen-telechargement-188076.html - 5.50GEN-A
http://www.pspgen.com/custom-firmware-5-50gen-b-telechargement-188493.html - 5.50GEN-B

English mirrors: 

http://www.psp-hacks.com/file/1745 - 5.50GEN-A
http://www.psp-hacks.com/file/1764 - 5.50GEN-B
http://pspupdates.qj.net/PSP-Homebrew-CFW-5-50-GEN-C-now-out/pg/49/aid/135319 - 5.50GEN-C
http://www.psp-hacks.com/file/1840 - 5.50GEN-D
http://www.psp-hacks.com/file/1841 - 5.50GEN-D2
http://dl.qj.net/psp/homebrew-applications/550gen-d3.html - 5.50GEN-D3
http://dl.qj.net/psp/homebrew-applications/custom-firmware-550gen-d3-final.html - 5.50GEN-D3-2

TodoPSP (TDP Firmwares)[edit | edit source]

5.03 TDP 

  http://www.todopsp.com/foros/showthread.php?t=99670 - 5.03 TDP-2
  http://www.megaupload.com/?d=8L8XRF2E - 5.03 TDP-3
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