PS3 Firmware 4.91 is out! (Do not update just yet) - Wololo.net
New PS3 firmware update keeps Sony's console alive for another year
Sony PlayStation 3 Firmware 4.90 Download | TechSpot
Sony Releases PS3 System Update 4.91 For More Stability Improvements - PlayStation Universe
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
How to update your PlayStation 3 firmware using a flash drive, memory card - AfterDawn
UDK ULTIMATE PS3 UPDATE V2 - Create, Play and Share on ANY PS3! | GBAtemp.net - The Independent Video Game Community
PS3 System Software Update (v4.30) – PlayStation.Blog
Few days ago my ps3 had a malfunction and telling me to update its software. So i had to manually update via USB. Right now it says its stuck at 73%, been
PS3 System Software 4.86 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS