Surprise! There's a new PS3 firmware update - here's what patch 4.88 does | TheSixthAxis
I feel like the PS3 gets more updates than the PS4. : r/PS3
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
How to Upgrade PS3 Official Firmware 4.82 - YouTube