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