You can no longer create a PSN account or manage account details directly from the PS3 console. These tasks must be completed on a desktop computer or mobile device.
Yes. You can skip all intermediate versions. The PS3 will install 4.89 directly from any older official firmware. ps3 system software update 489 download link
This update also ensures continued compatibility, allowing you to keep playing games online and access the PlayStation Store. You can no longer create a PSN account
The official PS3 System Software Update 4.89 was released on May 10, 2022 ps3 system software update 489 download link
If your console cannot connect to the internet, you can use a USB drive. Format: Use a PC to format a USB drive to FAT32 .
By ensuring your PS3 is updated, you can continue to enjoy the console's full potential.