As always, it's important to note that these PS3 Debug / TEST updates will currently NOT install on a retail PS3, and so it is intended for examination and comparison purposes only unless you own a Dev unit.
For those curious, 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)
129w ago - Over the last few days several new PS3 Debug / Test Firmware updates have been leaked outside of Sony Dev and have surfaced publicly courtesy of Cairobeta and ConsoleDev, however, no new SDK files have yet since the previous PS3 3.41 SDK file leak.
157w ago - After creating Simple AVCHD Manager - the first AVCHD manager for a jailbroken PS3 - some of the other programs I have been exploring had the requirement for a file selection screen in common, so i decided to create a simple file manager utilising a pointer like Multiman and added some other useful functions.
183w ago - Today PS3 Debug Firmware version 3.21 has been added to our PS3 Debug Firmware Archive thanks to an anonymous nice guy, and although it removes OtherOS functionality (like the Retail counterpart did) PlayStation 3 Test unit owners can downgrade to restore OtherOS functionality!
For those who are new to PS3 Debug (DECH) machines or haven't been following our Site News as long, PS3 Test Special Downgrade PUPs were leaked from Sony which allow downgrading the PS3 to version 1.00 or 1.50 (depending on which is used) to restore OtherOS, and then the console can be updated to the PS3 Debug Firmware required to play PS3 game backups.
Perhaps if Sony allowed Retail PS3 systems to downgrade like PS3 Debug/Test machines can there would be...