How to Jailbreak Your PS3 on Firmware 4.89 or Lower! - YouTube
PS3 Firmware Update out: 4.85! Don't update to this OFW! So what now? CFW & HEN systems - YouTube
PS3 System Firmware on Multiman shows 4.75, but when I check in system information in the xmb menu it shows 4.86. Is this normal? Is there any way/should I upgrade it to
Sony Pulls Down 2.40 PS3 Firmware | WIRED
How to install PlayStation 3 custom firmware, run homebrew - AfterDawn
PS3 Proxy Server GUI to Download PS4 PKGs on Latest Firmware Guide | PSXHAX - PSXHACKS