PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard
PS3 - [Update] multiMAN 04.85.01 - Official Update from deank adds 4.83-4.85 CFW Support + PS3HEN Support | PSX-Place
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
PS3 - 4.88.1 HFW (Hybrid FirmWare) | PSX-Place
IrisMAN V. 4.85 for CEX/DEX base CFW PS3 and PS3HEN - 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
PS3 System Software 4.86 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard
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
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
Ferrox 4.85 PS3 CFW Featuring Cobra 8.20 by Alexander is Released | PSXHAX - PSXHACKS
PS3 System Software 4.85 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
The Newest PS3 Update Comes in the Form of Version 4.84
EP 8) Updating your Custom Firmware on a Jailbroken PS3 - YouTube