Firmware 4.83 Is Available for Sony PlayStation 3 Systems - Update Now
PS3 System Software Update 4.87 Now Available For Download - PlayStation Universe
PlayStation 3 Firmware Update 4.40 – Download Here
Multiman doesn't work after software update of 4.84 | GBAtemp.net - The Independent Video Game Community
PS3 4.81 Archives - Wololo.net
PS3 CFW SPY 4.81 CEX Update by DarekSpy, Works with MultiMAN 4.80 | PSXHAX - PSXHACKS
How to Install Custom Firmware on PS3 4.84 - YouTube
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 System Update 4.81 Is Available Now To Download
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis