PS3 Custom Firmware 4.78 Rebug REX/D-REX has been released - Wololo.net
CFW Settings 0.1 for PS3 Custom Firmware by Mysis | PSXHAX - PSXHACKS
PS3 Jailbreak - CFW
How to Enable QA Flag (Toggle QA) [PS3] - YouTube
Whats the matter with #rebug toolbox i cannot enable (Toogle QA) am stuck on 4.86 Rebug and theres no way back .....help me to save my PS3 : r/ps3hacks
Playerkp420 4.81 CFW (Non-Cobra) PS3 Custom Firmware is Released | Page 2 | PSXHAX - PSXHACKS
Unsolved - How to downgrade to 4.78 CFW from 4.80 CFW rebug? | Se7enSins Gaming Community
Dead Space (2008-08-30 "Final 3 QA" build) : Free Download, Borrow, and Streaming : Internet Archive