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= Changelogs =
= Playstation Update Package (PUP) - Discussion/Talk =


Wikipedia is removing firmware changelogs, last complete version:
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.


PSVita: https://en.wikipedia.org/w/index.php?title=PlayStation_Vita_system_software&oldid=668447442
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?  


PSP: https://en.wikipedia.org/w/index.php?title=PlayStation_Portable_system_software&oldid=672507694
We are using recovery mode to downgrade because, we haven´t found a way to create a legit +3.55


= PS3 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 we 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 correctly set in the 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 firmware
== Unpacking a PlayStation Update Package ==
=== Unpack the PUP ===


== Unpacking a firmware ==
===Unpack the PUP===
  Dots.txt
  Dots.txt
  license.xml
  license.xml
Line 110: Line 101:
====== 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
    └──a
 
 
----
 
== Shop Update Unlock Codes ==
 
visible in plain text within vsh.self
 
Example 4.23 Shop:
<pre>
seg012:000000000065EC70 a5202:          .string "5202"          # DATA XREF: sub_CAC70+9CC�o
seg012:000000000065EC70                .byte 0
seg012:000000000065EC75 a7568:          .string "7568"
seg012:000000000065EC75                .byte 0
seg012:000000000065EC7A a0506:          .string "0506"
seg012:000000000065EC7A                .byte 0
seg012:000000000065EC7F a7712:          .string "7712"
seg012:000000000065EC7F                .byte 0
seg012:000000000065EC84 a2737:          .string "2737"
seg012:000000000065EC84                .byte 0
seg012:000000000065EC89 a0219:          .string "0219"
seg012:000000000065EC89                .byte 0
seg012:000000000065EC8E a2464:          .string "2464"
seg012:000000000065EC8E                .byte 0
seg012:000000000065EC93 a4801:          .string "4801"
seg012:000000000065EC93                .byte 0
seg012:000000000065EC98 a6558:          .string "6558"
seg012:000000000065EC98                .byte 0
seg012:000000000065EC9D a9015:          .string "9015"
seg012:000000000065EC9D                .byte 0
seg012:000000000065ECA2 a6258:          .string "6258"
seg012:000000000065ECA2                .byte 0
seg012:000000000065ECA7 a8783:          .string "8783"
seg012:000000000065ECA7                .byte 0
seg012:000000000065ECAC a7164:          .string "7164"
seg012:000000000065ECAC                .byte 0
seg012:000000000065ECB1 a7897:          .string "7897"
seg012:000000000065ECB1                .byte 0
seg012:000000000065ECB6 a3368:          .string "3368"
seg012:000000000065ECB6                .byte 0
seg012:000000000065ECBB a2310:          .string "2310"
seg012:000000000065ECBB                .byte 0
seg012:000000000065ECC0 a5081:          .string "5081"
seg012:000000000065ECC0                .byte 0
seg012:000000000065ECC5 a7818:          .string "7818"
seg012:000000000065ECC5                .byte 0
seg012:000000000065ECCA a3512:          .string "3512"
seg012:000000000065ECCA                .byte 0
seg012:000000000065ECCF a2998:          .string "2998"
seg012:000000000065ECCF                .byte 0
seg012:000000000065ECD4 a2297:          .string "2297"
seg012:000000000065ECD4                .byte 0
seg012:000000000065ECD9 a1739:          .string "1739"
seg012:000000000065ECD9                .byte 0
seg012:000000000065ECDE a5138:          .string "5138"
seg012:000000000065ECDE                .byte 0
seg012:000000000065ECE3 a0168:          .string "0168"
seg012:000000000065ECE3                .byte 0
seg012:000000000065ECE8 a8294:          .string "8294"
</pre>
 
----
----


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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 PUP on USB.jpg|thumb|left|PS3 MinVerChk PUP on USB]]</div>
<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>


<span style="text-decoration: line-through;">https://web.archive.org/web/*/http://ps3devwiki.com/files/firmware/MFW-CEX/MinVerCheck/</span> // <span style="text-decoration: line-through;">[http://www.mirrorcreator.com/files/KMIA5YMJ/MinVerCheck.rar_links MinVerChk.rar (1.28 KB)]</span> / <span style="text-decoration: line-through;">[http://www.sendspace.com/file/l2fixi mirror]</span> --- [https://mega.nz/#!FUVm1C7a!IbCyN_uzCQh7hZb7eu3pRrwBuezLh1r4Ha7eeB9RlZk mirror 2]
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
Line 262: Line 313:
# 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); This only works when the minimum update version is 1.00, otherwise any minimum value lower than 1.00 reports as 1.00 using this method.
Note: console needs to run at least FW 2.50? (2.30 didn't work)
DECR-1000 (0.08), DEH-H1000A-E (??0.92??), DEH-H1001-D (??0.92??), DECHA00A (??0.92??) are effectively affected by this.


<gallery>
----
File:PS3 MinVerChk Result CECHC04.JPG|PS3 MinVerChk on the CECHC04
File:PS3 MinVerChk used on CECHG04 SEM-001.jpg|PS3 MinVerChk on the CECHG04
</gallery>


== Hashes ==
== Hashes ==
Line 924: Line 971:
  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 [[Syscon Firmware]] ||  
  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> ||  ||  
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