PS3 System Software 4.89 Update Live, Don't Update Your Firmware! | 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
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PS3 Update 4.90 Released This Feb. 28 and Brings More of What Players Expect - MP1st
PS3 Firmware 4.90 Download For RPCS3 (Latest Version) - Old ROMs