How to get PS3 Firmware update for installing on PS3 or PS3 emulator - YouTube
So there's a new update guys... wonder what's different : r/PS3
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
How to install PlayStation 3 custom firmware, run homebrew - AfterDawn
PS3 System Update 4.80 Now Available To Download | Attack of the Fanboy