Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
PS3 4.81 Archives - Wololo.net
How to Install Custom Firmware on PS3 4.84 - YouTube
PS3] 4.81 OFW Update | ConsoleCrunch Official Site
Firmware 4.83 Is Available for Sony PlayStation 3 Systems - Update Now
GUIDE] Unbrick a PS3 after an unfortunate PS3Xploit flash | Page 9 | PSX-Place
Play PS3 Backups Games On PS3 OFW 4.81 Without Jailbreak - Consoleinfo
PS3 Firmware | XTREME PS
IRISMAN v4.89 by various - PS3 Brewology - PS3 PSP WII XBOX - Homebrew News, Saved Games, Downloads, and More!
Playerkp420 4.81 CFW (Non-Cobra) PS3 Custom Firmware is Released | PSXHAX - PSXHACKS
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
PS3: CFW Evilnat 4.89 Cobra 8.3 (CEX) released - Wololo.net