Things You'll Need
Instructions
Creating the PS3 Backup
Turn on the PS3 console.
Plug the USB hard drive or flash drive into one of the PS3's front-loading USB ports.
Select "Settings," "Backup Utility" and "Back Up" from the XMB -- the PS3's sliding menu bar.
Follow the onscreen instructions to select your USB device and complete the backup process.
Launching the PS3 Backup
Turn on the PS3 console.
Connect the USB hard drive or flash drive with the data backup files to one of the PS3's front located USB drives.
Select "Settings," "Backup Utility" and "Restore" on the XMB.
Select the external drive with the stored backup from the list and follow the onscreen instructions while the system runs the restore.