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, Functional 4.45 Update Hits PlayStation 3 Next Week - The Escapist
PS1 Downloads on PS3, Or: Firmware Updates Galore | WIRED
PlayStation 3 - Wikipedia
PlayStation 3 system software - Wikipedia
Major Netflix Update on PS3 and Discless Feature Coming October | by Sohrab Osati | Sony Reconsidered