$35 from the thrift store, never opened up, firmware 4.87 (now 4.88) been used until 2016. needs an opening up now, cleaning and stuff. really happy to get a slim! : r/PS3
PS3 Firmware Update Disables “Other OS” Option - Game Informer
Sony Didn't Forget the PS3 on Valentine's Day as System Gets New Firmware Update - Push Square
PS3 Gets Firmware 3.30 Upgrade | by Sohrab Osati | Sony Reconsidered
Sony PlayStation 3 PS3 3.55 Low Firmware Console Jailbreakable 71171980170 | eBay
PS3 Firmware Update 4.81 Improves “Quality” of System Performance
PS3 Firmware 4.30 Brings Vita Trophies To PS3, Removes Folding | TheSixthAxis
Sony is updating your PS3 firmware to v3.42 – Destructoid
First Custom PS3 Firmware Hack Prevents Piracy - The Escapist