Jailbreak PS3 Firmware 4.86 Or Lower And install CFW 4.86 Rebug - YouTube
PS3 - Get back online 4.86 (UPDATE in description) with HEN, CFW (CEX Sen Enabler 6.2.5), and DEX - YouTube
PS3 Jailbreak 4.86 OFW to CFW Installation Introduction
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
UPDATE 5] Battlefield 3 1GB PS3 Patch 1.04 is Now Live, Rent A Server Option Added - MP1st
The Newest PS3 Update Comes in the Form of Version 4.84
PS3 New Update 4.86 Do Not Update For Now 2020!! - YouTube