Editing Talk:Playstation Update Package (PUP)
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= | = Playstation Update Package (PUP) - Discussion/Talk = | ||
What is the part that defines, what firmware it really is?. I mean, for firmwares below 3.55 we have all the keys so whe can forge any PUP and make it appear as a +3.55, that would be a way to downgrade, without the need of a dongle and recovery mode. | |||
I know there are version strings in pupheader,version.txt, info0, and in vsh.self.. but what is missing? What isn´t correclty set in mfw to make it pass the checks of a legit +3.55 fw? | |||
We are using recovery mode to downgrade because, we haven´t found a way to create a legit +3.55 | |||
== Unpacking a firmware == | |||
===Unpack the PUP=== | |||
Dots.txt | Dots.txt | ||
license.xml | license.xml | ||
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====== unself the self's ====== | ====== unself the self's ====== | ||
... | ... | ||
==== unpkg dev_flash* ==== | ==== unpkg dev_flash* ==== | ||
content | content | ||
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│ ├── info0 | │ ├── info0 | ||
│ └── info1 | │ └── info1 | ||
├── update_files.tar | |||
├── update_flags.txt | ├── update_flags.txt | ||
├── version.txt | ├── version.txt | ||
└── vsh.tar | └── vsh.tar | ||
---- | ---- | ||
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== Using fake upgrade to get lowest firmware version info == | == Using fake upgrade to get lowest firmware version info == | ||
<div style="float:right">[[File:PS3 MinVerChk | <div style="float:right">[[File:PS3 MinVerChk used on CECHG04 SEM-001.jpg|thumb|left|PS3_MinVerChk use on the CECHG04, using fake upgrade to get lowest firmware version info]]</div> | ||
http://ps3devwiki.com/files/firmware/MFW-CEX/MinVerCheck/ // [http://www.mirrorcreator.com/files/KMIA5YMJ/MinVerCheck.rar_links MinVerChk.rar (1.28 KB)] / [http://www.sendspace.com/file/l2fixi mirror] | |||
CRC-16: 9A11 | CRC-16: 9A11 | ||
CRC-32 (Ethernet and PKZIP): 50EE9A92 | CRC-32 (Ethernet and PKZIP): 50EE9A92 | ||
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# It will shortly fail and display the Firmware Base Value | # It will shortly fail and display the Firmware Base Value | ||
Note: console needs to run at least FW 2.50? (2.30 didn't work) | Note: console needs to run at least FW 2.50? (2.30 didn't work) | ||
---- | |||
== Hashes == | == Hashes == | ||
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read SC patch package (4864 bytes) elapsed = 24 msec | read SC patch package (4864 bytes) elapsed = 24 msec | ||
read SC patch package (4864 bytes) elapsed = 23 msec | read SC patch package (4864 bytes) elapsed = 23 msec | ||
Update System controller firmware done(0x8002f000)</pre> || [[Syscon Hardware]] is updated with appropiate [[ | Update System controller firmware done(0x8002f000)</pre> || [[Syscon Hardware]] is updated with appropiate [[System_Controller_Firmware|System controller firmware]] || | ||
|- | |- | ||
| <pre> update package elapsed time = 228361 msec</pre> || || | | <pre> update package elapsed time = 228361 msec</pre> || || | ||