How to jailbreak ps3 4.81 with usb easy step!! - YouTube
Game Play & Things - PS3 GAME INJECT NO JAILBREAK!!! for PS3 CECH 30xxx---CECH 40xxx 4.81 official firmware to lower for firmware for unhackable PS3 units NEEDED: PS3 Unhackable / Super Slim
PS3 Jailbreak - CFW - Domov | Facebook
Jailbreak Playstation 3 With PS Jailbreak Guide (Firmware 3.41)