[OLD] How to Jailbreak Your PS3 on Firmware 4.82 or Lower! - YouTube
PS3 Homebrew Guide - YouTube
I purchased a PS3 backward compatible from ebay for a good price and I'm impressed how clean it is. However... It's still on firmware 2.50. Should I update the firmware? : r/PS3
PS3 System Software 4.82 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
OLD] How to Jailbreak Your PS3 on Firmware 4.82 or Lower! - YouTube
How To Jailbreak Your PlayStation 3 (PS3) On firmware 4.90! - YouTube
PS3 Playstation 3 Custom Firmware CEX DEX Installation service PS3 CFW Version CEX