PS3 Firmware Update 4.70 Available for Download, Brings Fresh PSN Logo - Update
PS3 System Software Update Version 3.66 is Now Live | by Sohrab Osati | Sony Reconsidered
PS3 System Software Update (v4.10) – PlayStation.Blog
PlayStation 3 System Software Update (Version 2.0) (USA) (En,Fr) : Free Download, Borrow, and Streaming : Internet Archive
Sony Releases New Firmware Update for PS3, Here's What It Does
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