Playerkp420 4.81 CFW (Non-Cobra) PS3 Custom Firmware is Released | PSXHAX - PSXHACKS
Update PS3 to 4.81 and Cobra ODE using Swap Disc without DMC - YouTube
Injecting PS3 CFW Games on OFW 4.81 Without a CFW Console Guide | PSXHAX - PSXHACKS
How to Jailbreak a PS3 (with Pictures) - wikiHow
Scena PS3] Rilasciato l'aggiornamento del firmware 4.82 su Playstation 3 - BiteYourConsole
Sony Rolled Out Firmware 4.81 for Its PlayStation 3 Console - Download Now
PS3 Jailbreak - CFW
W00fer on X: "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
PS3 4.81 Archives - Wololo.net
PS3 4.81 System Software Update PS Vita 3.63 Update DETAILS - YouTube