OLD] How to Jailbreak Your PS3 on Firmware 4.85 or Lower! - YouTube
PS3 System Update 4.85 Now Available - YouTube
PS3 News: Firmware 4.85 released and HFW 4.85.1 already released by Joonie allowing for unsigned code execution - Joonie recommends not to install FW 4.85 until all tools are updated! - Wololo.net