Update PS3 to 4.81 and Cobra ODE using Swap Disc without DMC - YouTube
Irisman 4.81 Dex - Colaboratory
Playerkp420 4.81 CFW (Non-Cobra) PS3 Custom Firmware is Released | PSXHAX - PSXHACKS
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
Sony Rolled Out Firmware 4.81 for Its PlayStation 3 Console - Download Now