Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
PS3 Firmware 4.88 released, do not update just yet - Wololo.net
Sony PS3 firmware v3.21 strips "Other OS" functionality - SlashGear
PS3 Mandatory Firmware Update 4.66 Released [Update]
Latest PS3 System Update - YouTube
PS3 Gets a Surprise Firmware Update, Available to Download Now - Push Square
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
PS3 4.87 Firmware Update Patch Notes | December 3
How to fix your bricked PS3 after firmware 4.46 | Attack of the Fanboy
Sony PlayStation 3 Firmware 4.88 Download | TechSpot