Sony PlayStation 3 Firmware 4.90 Download | TechSpot
IRISMAN v4.90 by various - PS3 Brewology - PS3 PSP WII XBOX - Homebrew News, Saved Games, Downloads, and More!
PS3 Update 4.84 released, does not patch StoreHaxx - Wololo.net
PS3 4.81 Archives - Wololo.net
PS3 CFW SPY 4.81 CEX Update by DarekSpy, Works with MultiMAN 4.80 | PSXHAX - PSXHACKS
How To: Jailbreak PS3 Update 4.81 OFW to CFW - PS3 Jailbreak 4.81 [DEX/CEX] - YouTube
PS3 4.81 System Software Update PS Vita 3.63 Update DETAILS - 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 System Update 4.81 Is Available Now To Download
PS3 update 4.82 out & should you update? NO! - Hackinformer
How To Jailbreak PS3 4.81 OFW to CFW? [Working]
PS3 4.81 IDPS Dumper released; PS3Xploit team advises to steer clear of new updates
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Ferrox CFW 4.81 Eng
PS3 4.81 OFW | Gamers Alive
PS3 4.81 System Software Update PS Vita 3.63 Update DETAILS - YouTube
W00fer on Twitter: "Hey @esc0rtd3w @Mathieulh @PSXPlace @roXyPS3 I have found something interesting. Today I received a new blu-ray movie which requires a software update of the PS3. I'm on 4.81 Rebug