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PS3 Firmware Update 4.90 Released, Here's What It Does
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PS3 Custom Firmwares (CFWs) : Free Download, Borrow, and Streaming : Internet Archive
PlayStation Plus coming via PS3 firmware 3.40 (update: now available) | Engadget
PS3 just got a new system update, a month before its store was originally set to go offline | GamesRadar+
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PS3 Update 4.89 Now Live; Adds Additional Account Protection
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PS3 Firmware Update 4.90 Released, Here's What It Does
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Sony Pulls Down 2.40 PS3 Firmware | WIRED
PlayStation 3 - Wikipedia
The Enduring Legacy of PlayStation 3 - TechStomper
I don't know...do I update? : r/PS3
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PlayStation 3 system software - Wikipedia
PS3 Update to System Software 4.89: Here's a Full Guide for You
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Enter PlayStation 3 (PS3) Recovery Mode & Restore Custom Firmware 3.55
