Is your console running or custom firmware (CFW/HEN) ?
Even though the PlayStation 3 is a legacy console, Sony occasionally releases system updates to maintain security and network functionality. The , released in May 2022, was a significant update aimed primarily at enhancing account security for the PlayStation Network (PSN). ps3 system software update 489 download link
From the XMB home menu, navigate to > System Update . Select Update via Storage Media . Is your console running or custom firmware (CFW/HEN)
The 4.89 firmware update focused primarily on security and PSN integration improvements: released in May 2022