Sony Rolled Out Firmware 4.81 for Its PlayStation 3 Console - Download Now
PS3 Firmware 4.88 released, do not update just yet - Wololo.net
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PS3 System Update 4.81 Is Available Now To Download
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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
PlayStation 3 Firmware Update 4.40 – Download Here
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PS3 System Update 4.80 Now Available To Download | Attack of the Fanboy
PS3 HFW 4.88 (Hybrid Firmware)- Modded Firmware
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PS3 System Software 4.82 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS