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September 1, 2012 // 3:05 pm - Following up on the PS3 Debug Firmware 4.20 and PS3 Test Firmware 1.01 & 1.02 updates, this weekend an anonymous user on the PlayStation 3 Developer Wiki has shared the Sony PS3 Debug / Test (DEX) Firmware 4.21 update for collectors.

Download: PS3 Debug / Test (DEX) Firmware 4.21 / PS3 DEX 4.21 VSH Dump by tjhooker73 / PS3 DEX 4.21 VSH.self to VSH.elf Decrypted by itskamel / PS3 LV1 4.21 DEX & LV1 4.31 CEX by Rancid-o

As always, keep in mind these PUP updates will currently NOT install on a retail PS3, and so they are intended for examination and comparison purposes only.

We have 100% confirmed that running this updater on a retail PS3 will not damage it, however, it will give the following error before the installation completes: The data type is not supported. (8002F029)

To quote: File changes compared to 4.20 - These files have changed since the previous version e.g. by new version string, bug/crash/exploit fixes, ...

Changes

File changes compared to 4.20 - these files have changed since the previous version e.g. by new version string, bug/crash/exploit fixes, ...

Core OS

  • emer_init.self
  • lv0
  • lv1.self
  • lv2_kernel.self

dev_flash

ps1emu\

  • ps1_emu.self
  • ps1_netemu.self
  • ps1_newemu.self

ps2emu\

  • ps2_emu.self

pspemu\

  • psp_emulator.self
  • psp_translator.self
  • release\PEmuCoreLib.sprx

sys\external\

  • libadec.sprx
  • libadec2.sprx
  • libadec_internal.sprx
  • libfiber.sprx
  • libhttp.sprx
  • liblv2coredump.sprx
  • libmedi.sprx
  • libsail.sprx
  • libsail_rec.sprx
  • libspurs_jq.sprx
  • libsre.sprx
  • libsync2.sprx
  • libvdec.sprx

sys\internal\

  • sys_agent.self
  • sys_audio.self
  • sys_init_osd.self
  • sys_tsma.self

vsh\module\

  • avc2_text_plugin.sprx
  • explore_category_friend.sprx
  • explore_plugin.sprx
  • explore_plugin_np.sprx
  • friendim_plugin.sprx
  • friendml_plugin.sprx
  • friendtrophy_plugin.sprx
  • hknw_plugin.sprx
  • libvideoSubsystem.sprx
  • msmw2.sprx
  • profile_plugin.sprx
  • rec_plugin.sprx
  • videodownloader_plugin.sprx
  • vsh.self
  • x3_mdimp10.sprx
    x3_mdimp7.sprx

PUP Hashes

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Pup Information

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Finally, in related news below is a PS3 Restore Utility Backup / Restore DEX Console Guide (via ps3ita.it/hack/ripristino-utilita-di-backuprestoresu-console-dex-by-ps3ita/):

After making the conversion of the PS3 console from retail (CEX) in debug (DEX), some may have noticed the lack of utility of backup / restore (accessible from Settings -> System Settings -> Backup Utility) that allowed you to save all content (accounts, photos, music, games, etc. with the exception of trophies) on external media to back recovery in case of failure / change of the internal hard disk.

Therefore PS3ITA, thanks to our mythical Rancid-o, provides a simple method to restore such function by means of easily installable file pkg.

We found a way to restore Backup Utility in DEX:

Just install and start this pkg: http://uploading.com/files/get/5dd48caa/Restore_backup_utility.pkg

There is also a pkg for uninstall: http://uploading.com/files/get/c7ff884f/Uninstall_backup_utility.pkg

This is because if the option backup utility does not uninstall many options are not displayed in "debug settings". Oh I forgot has only been tested on cfw 3.55 DEX.


Sony PS3 Debug / Test (DEX) Firmware 4.21 Update Surfaces

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#4 - NTA - June 16, 2011 // 12:43 am
NTA's Avatar
Lol how does stuff get leaked?

#3 - elser1 - June 16, 2011 // 12:22 am
elser1's Avatar
can you run this thru eboot fix/mod so it works on retail... seriously that's kool news, hopefullly someone can mod this to work as the final ps3 cfw needed.. btw obviously kiddin..

#2 - Lamarca - June 15, 2011 // 11:21 pm
Lamarca's Avatar
It feels like we're close to a CFW?

#1 - IslaTurbine - June 15, 2011 // 11:17 pm
IslaTurbine's Avatar
Finally...