PS3 Firmware Update 4.83 Released; What Does It Do?
PS3 Firmware (OFW) 4.82 Released - You Must Know Before Update
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