PS3 Update to System Software 4.89: Here's a Full Guide for You
How to Jailbreak a PS3 (with Pictures) - wikiHow
PS3 Firmware 4.90 is out! (and you really don't want to update) - 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
PS3 Firmware 4.90 Download For RPCS3 (Latest Version) - Old ROMs
HOW TO FIX PS3 - NEW HARD DRIVE & UPDATE INSTALL - YouTube
How to download PS3 Firmware for RPCS3 Emulation - YouTube
How to update your PlayStation 3 firmware using a flash drive, memory card - AfterDawn
PS3 Update to System Software 4.89: Here's a Full Guide for You
PS3: Homebrew ENabler 3.0.3_4.88 released for Firmware 4.88 - Wololo.net