How To Downgrade PS3 4 81 To 3 55 and Install 4 80 CFW Step by Step - YouTube
PS3Xploit 3.0 "HAN" released, compatible with all PS3s on firmwares 4.81/4.82 - Wololo.net
PS3 Jailbreak - CFW
Modified / Jailbroken PS3 Slim 320Gb Black running on Custom Firmware Rebug 4.81.1 REX Cobra 7.3, Video Gaming, Video Game Consoles, Others on Carousell