Sony PlayStation 3 Firmware 4.90 Download | TechSpot
PS3 System Software Update 4.90 Actually Exists To Download In 2023 - PlayStation Universe
PS3 Update to System Software 4.89: Here's a Full Guide for You - MiniTool Partition Wizard
Download free PS3 stuff (eg. Free apps, free DLC, etc.) so you own it, before Store's going to shut down. Otherwise you won't ever be able to get it. : r/PS3
PS3 System Software Update (v3.70) – PlayStation.Blog