PS3 System Update 4.82 Now Available, View What's New
How to get out of PS3 4.82/4.81/4.80 /4.78/ 4.76/4.75 Demo Mode - YouTube
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
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis