PS3 System Software 4.86 Update Live, Don't Update Your Firmware! | PSXHAX - PSXHACKS
How To] Download PS3 Games Updates Manually On PC Tutorial (For CFW PS3) - YouTube
PS3 Update to System Software 4.89: Here's a Full Guide for You
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
PlayStation 3: Sony releases Firmware 4.87 for their 14 year old console - HFW 4.87.1 is already out with SEN Enabler already being updated to spoof FW 4.87 - Wololo.net
PS3 System Software Update (v4.30) – PlayStation.Blog
How to Update a PlayStation 3 - Support.com TechSolutions