Ferrox PS3 Custom Firmware 4.82 v1.01 Cobra 7.55 by Alexander | PSXHAX - PSXHACKS
PS3 System Software 4.82 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
PS3 How To Install multiMAN On 4.82 Custom Firmware! *Jailbreak Required* - YouTube
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
Download Sony's New PlayStation 3 Console Firmware - Version 4.82