Jailbreak PS3 4.20 Firmware with Install Package Files and Downgrade PS3 - Heaven4Cheats
PS3 Jailbreak 4.88 CFW - How To Jailbreak Your PS3 from OFW
PS3 jailbreak 4.10 firmware + Download Link - video Dailymotion
PS3 Jailbreak 4.88 CFW - How To Jailbreak Your PS3 from OFW
PS4 System Software / Firmware 8.50 is Now Live, Don't Update! | PSXHAX - PSXHACKS
I have a jailbroken PS3. After attempting the 4.87 update (I know, don't update), this is my boot up screen. Upon trying to fix this with the update on USB, I get “