Things You'll Need
Instructions
Insert the USB flash drive or external hard drive into your PS3 Slim's USB port.
Turn on the PS3 and select ̶0;Game̶1; from the main menu.
Select ̶0;Trophy Collection̶1; from the menu, highlight ̶0;Trophy Collection̶1; and press the Triangle button on your controller.
Select ̶0;Sync with Server̶1; to back up your PS3 trophies to the USB drive.
Return to the main menu, then select ̶0;Settings.̶1;
Select ̶0;System Settings,̶1; then select ̶0;Backup Utility̶1; from the menu.
Select the ̶0;Backup̶1; option, then select ̶0;Yes̶1; twice at the prompts.
Choose your USB drive and press the ̶0;X̶1; button on your controller to begin the backup.
Allow your PS3 Slim to transfer a copy of the data to your USB drive. This may take a while, depending on how much data your hard drive contains. Once the backup is complete, you can disconnect your USB drive from your system.