PS3 4.81 exploit: IDPS Dumper released, and latest status of the exploit - Wololo.net
PS3 4.81 OFW | Gamers Alive
PS3: CFW Evilnat 4.89 Cobra 8.3 (CEX) released - Wololo.net
How To: Jailbreak PS3 Update 4.81 OFW to CFW - PS3 Jailbreak 4.81 [DEX/CEX] - YouTube
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
PS3 Firmware | XTREME PS
Sony Rolled Out Firmware 4.81 for Its PlayStation 3 Console - Download Now
Firmware 4.81 für die PlayStation 3 veröffentlicht
How to create USB Flash drive for update PS3 - YouTube