PS3 Firmware Debug 4.21 Firmware Available

by ps3iso on September 3, 2012

For those on the debug (DEX) side of things, you can upgrade your console to the 4.21 debug firmware, released yesterday. For those interested, you can take a look at the changed files between the 4.20 debug firmware and the 4.21 one.

Core OS

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

dev_flash

  • ps1emu

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

    • psp_emulator.self
    • psp_translator.self
    • releasePEmuCoreLib.sprx
  • sysexternal

    • 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
  • sysinternal

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

    • 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

If you’re thinking of upgrading and use any homebrew specifically meant for DEX consoles, you might want to take a look at this compatibility list by Lightyear @ PS3ISO, to make sure everything will work as it should, after the update.

3.55 downgrade pup: working
BDemu: working
showtime 4.0: working
multiman 0.4.05.01: not working!!! (freezes at load screen)
retail 4.21 game disks: ​working

You can download the 4.21 Debug Firmware from the PS3DevWiki below. As always, you are doing this all at your risk, so make sure that you have a rescue/recovery method ready.

Download: 4.21 Debug Firmware

Source: PSX-Scene | PS3Crunch

Tags: 4.21 debug firmware, debug firmware, dex, PlayStation 3, PS3

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