PlayStation 3 Firmware Update 4.40 – Download Here
PS3Xploit: 4.82 OFW to CFW Hack Released | GBAtemp.net - The Independent Video Game Community
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
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
PS3 System Update 4.82 Now Available, View What's New
PS3] CFW Ferrox 4.82 v1.00 Cobra 7.53 available | ConsoleCrunch Official Site
PS3 Update 4.48 And PS Vita Firmware 3.57 Out Now; Removes Facebook Support | Attack of the Fanboy
Firmware 4.75 Is Available for Sony PlayStation 3 Systems - Update Now