PS3 System Software 4.89 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
PS3 Firmware Update 4.90 Released, Here's What It Does
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How to Update a PlayStation 3 - Support.com TechSolutions
PS3 System Software Update 4.87 Now Available For Download - PlayStation Universe
PS3 - 4.88.1 HFW (Hybrid FirmWare) | PSX-Place
How to Jailbreak a PS3 (with Pictures) - wikiHow
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
How to get PS3 Firmware update for installing on PS3 or PS3 emulator - YouTube
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
Full screen Flash-enabling v2.53 PS3 firmware available now | Engadget