PS3 - [TuT] How to sign in on OFW 4.81 or 4.82 & activate your system | PSX-Place
GUIDE] Unbrick a PS3 after an unfortunate PS3Xploit flash | Page 9 | PSX-Place
Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
Playerkp420 4.81 CFW (Non-Cobra) PS3 Custom Firmware is Released | PSXHAX - PSXHACKS
PS3: CFW Evilnat 4.89 Cobra 8.3 (CEX) released - Wololo.net
PS3 System Software 4.86 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
CCCheaterX Tool (Unofficial Update) for PS3 CFW 4.81 by Darkxex | PSXHAX - PSXHACKS
Multiman doesn't work after software update of 4.84 | GBAtemp.net - The Independent Video Game Community
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 4.81 System Software Update PS Vita 3.63 Update DETAILS - YouTube