PlayStation 3 hacked with CFW again. "release of LV0 decryption keys will allow jailbroken consoles to circumvent any future security updates made by Sony." : r/gamernews
How to resign PS3 eboots and sprx files to switch region - YouTube
XYZ Turbo: [Tutorial] Downgrade Rogero CFW 4.21/4.30 para CFW 3.55