Where to download safely: The official Sony servers still host this file. Search for "PlayStation 3 System Software Update 4.90 Official Sony" or use the direct URL from Sony’s support site.
: The PS3 keeps prompting to update, installs, but then loops back to the update screen after rebooting. ps3 system software update 490 upd download 2021
Note: While 4.90 was released in early 2023, the 4.89 update in 2022 and subsequent 4.90/4.91 updates all aimed at similar security and stability goals, including the requirement for device setup passwords for PSN. How to Download and Install PS3 Update 4.90 Where to download safely: The official Sony servers
Update 4.90 ensures secure communication protocols between your legacy console and the modern PlayStation Network (PSN) servers. Troubleshooting Common Update Errors ps3 system software update 490 upd download 2021