PS3 system software update version 4.00 is live - The Verge
PlayStation 3 - Wikipedia
PlayStation 3 System Software Update (Version 2.0) (USA) (En,Fr) : Free Download, Borrow, and Streaming : Internet Archive
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
New PS3 Update Released Out of Nowhere
ps3 software versions Off 65% - www.gmcanantnag.net