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September 1, 2012 // 5:05 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, ...


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



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


  • ps2_emu.self


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


  • 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_agent.self
  • sys_audio.self
  • sys_init_osd.self
  • sys_tsma.self


  • 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

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

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:

There is also a pkg for uninstall:

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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#204 - elvis77 - October 17, 2012 // 3:58 am
elvis77's Avatar
Hi, my pes 13 is an En version...


#203 - daivyphuong - October 17, 2012 // 3:56 am
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Quote Originally Posted by elvis77 View Post
Sorry, but where I can to download that usa version?

wait 20' i will patch it for you

#202 - elvis77 - October 17, 2012 // 3:28 am
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Hi, thanks my friend... My version of Pes 13 is BLES01709...

Sorry, but where I can to download that usa version?


#201 - romantizma - October 16, 2012 // 7:40 pm
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Fix BLUS30983 USA Release


SSX Direct Boot PKG:

Le Tour De France 2012 - BLES01562: (untested)

#200 - elvis77 - October 16, 2012 // 1:09 pm
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Hi, sorry, I'm a new user, but is there a pes 2013 fix eboot for ps3?

Thanks my friends...

#199 - ratboy112 - October 14, 2012 // 9:45 am
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Don't know what I did different but Dishonored works!

BLES01675 Dishonored English fix (less complex than JPN Dishonored caravan game merge)

#198 - ZerotakerZX - October 14, 2012 // 4:33 am
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Quote Originally Posted by KaInEvIL View Post
You know we're talking about DEX firmware right?
wrong link

#197 - ratboy112 - October 13, 2012 // 10:04 pm
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Sorry to say, but it didn't work for me. The texts are in English, I have music but the characters still don't talk. Mouths are moving and everything but no sound.

#196 - KaInEvIL - October 13, 2012 // 3:35 pm
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Quote Originally Posted by ZerotakerZX View Post

You know we're talking about DEX firmware right?

#195 - ratboy112 - October 13, 2012 // 1:30 pm
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Dude you ROCK!! I'm gonna try this out tomorrow. I'll let you know if it has worked. Thanks in advance!!