: Several account management features have been moved entirely to web browsers for "improved performance and safety". Removed Content Transfers
As of my last update, there is no official "Update 4.89" for the PlayStation 3. The final official firmware versions released by Sony were 4.90 (released in February 2023) and 4.91 (released in February 2024). ps3 system software update 489 download link
Do not fall for fake websites. Stick to the official Sony source, and your PS3 will be running the most stable, final firmware available. Enjoy your gaming, and keep the PS3 legacy alive responsibly. : Several account management features have been moved