PS3 firmware update may coincide with Resistance 2 patch [Update] | Engadget
PS3 Firmware Update 4.70 Available for Download, Brings Fresh PSN Logo - Update
Widgets - PS3 Developer wiki
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 2.70 Firmware Update Download Ready
PS3 2.70 Firmware Update Available Now
PS3 Firmware 2.70 to feature text chat, Friends list on XMB | VG247
PS3 - [Attempt] Restoring XMB UI of Firmware 1.00 - 2.70 to 4.84+ | Page 15 | PSX-Place
PS3 Update 4.70 Is Now Available For You To Download | Attack of the Fanboy
Sony PS3 Firmware v4.85 Released
PS3 - [Attempt] Restoring XMB UI of Firmware 1.00 - 2.70 to 4.84+ | Page 2 | PSX-Place