PS3 CFW SPY 4.81 CEX Update by DarekSpy, Works with MultiMAN 4.80 | PSXHAX - PSXHACKS
Playerkp420 4.81 CFW (Non-Cobra) PS3 Custom Firmware is Released | PSXHAX - PSXHACKS
PlayStation 3: Sony releases Firmware 4.86 for their 13 year old console - HFW 4.86 released, SEN Enabler updated & PS3HEN to be updated soon due to no kernel changes! - Wololo.net
PS3 - 4.81 CFW - FERROX Standard Edition (v1.00) by Alexander | PSX-Place
How To Jailbreak PS3 4.81 OFW to CFW? [Working]
PS3 - [TuT] How to sign in on OFW 4.81 or 4.82 & activate your system | PSX-Place
23/1/17] How to Jailbreak PS3 4.81 OFW to CFW [Working 23/1/17] - YouTube
The Newest PS3 Update Comes in the Form of Version 4.84
PS3 4.81 OFW | Gamers Alive
PS3 Firmware Update 4.81 Improves “Quality” of System Performance