Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
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Last ps3 firmware - updated January 2022
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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 updated to official firmware version 4.87 | GBAtemp.net - The Independent Video Game Community