PS3 System Software 4.82 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
PS3 System Software Ver. 4.82 | XTREME PS
Ferrox 4.87 PS3 CFW Featuring Cobra 8.20 by Alexander is Released | PSXHAX - PSXHACKS
PlayStation 3: Sony releases Firmware 4.87 for their 14 year old console - HFW 4.87.1 is already out with SEN Enabler already being updated to spoof FW 4.87 - Wololo.net
PlayStation 3 Firmware Update 4.40 – Download Here