If you specifically need 4.89 for technical or archival reasons, it is hosted on the Internet Archive
Alternatively, you can directly download the PS3 System Software Update 4.89 file from the following link: ps3 system software update 489 download link
If you specifically need version 4.89 (for example, for specific homebrew compatibility), you would need to source it from community-maintained archives like or archive.org . Always verify the MD5 hash of files from unofficial sources to ensure they haven't been tampered with. If you specifically need 4
Always verify the file properties: Right-click the downloaded file > Properties. It should be around 200 MB and have no “digital signature” warning from an untrusted publisher. for specific homebrew compatibility)