PS3 - [TuT] How to sign in on OFW 4.81 or 4.82 & activate your system | PSX-Place
PS3 Super Slim 4.81 HAN Mod 120gb | eBay
PS3 4.81 exploit: IDPS Dumper released, and latest status of the exploit - Wololo.net
IRISMAN v4.90 by various - PS3 Brewology - PS3 PSP WII XBOX - Homebrew News, Saved Games, Downloads, and More!
Got all this for 90CAD. It's on version 4.81. My FAT PS3 is on 4.84 REBUG. FAT PS3 won't let me sign into PSN until I update...does another CFW exist or should
How to Jailbreak a PS3 (with Pictures) - wikiHow
Sony PlayStation 3 Firmware 4.90 Download | TechSpot