How to Jailbreak Your PS3 on Firmware 4.82 or Lower! - YouTube
Jailbreak PS3 3.56 Firmware Found By Custom Firmware Genius [Download]
Sony PlayStation 3 Firmware Download
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
How to Upgrade PS3 Official Firmware 4.82 - YouTube
How to install Custom Firmware on the PS3 with FW 4.82 - Hackinformer