If your PS3 is stuck on a black screen asking for version 4.89 or later on a specific storage device, you may need the full reinstallation file (approx. 800 MB+). If Option A doesn't work during the install, you will need this larger file.
A: If you are running a custom firmware (CFW), a official update will overwrite it and revert the console to stock firmware. You would need to reinstall the CFW afterward (if you choose to keep it). ps3 system software update 489 download link
: Creating new accounts or managing certain account features directly from the PS3 console is no longer supported. Users must use a PC or mobile browser for these tasks. PlayStation If your PS3 is stuck on a black screen asking for version 4
Alternative official mirror (EU): Same file – https://www.playstation.com/en-gb/support/hardware/ps3/system-software/ ps3 system software update 489 download link