PS3 Update to System Software 4.89: Here's a Full Guide for You
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
4.90?? I'm not downloading anything till I hear from you guys : r/PS3
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Sony Outs a New PlayStation 3 Console Firmware - Download Version 4.89
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PS3 Update 4.80 is out, guess what it brings to the table? - Wololo.net
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PS3™ | System Update
New PS3 Firmware 3.40 Update Available for Download...granting great new features