Instructions
Insert your USB jump drive into the USB port on the front of the PlayStation 3. Wiggle the drive with your fingers to make sure it sits securely.
Press the "Power" button to turn on the PS3 console. Wait for the device to start up. Select the "Settings" icon from the PS3 home screen.
Select the "USB Connection" from the list of options. Scroll down the list of files saved on the portable media drive. Highlight the file you want to transfer. Press the triangle button on the PS3 controller. Select the "Copy" option. The PS3 notifies you when the transfer has completed. You can open this new file in the System Storage folder on the console.