Instructions
Turn on your PS3. If you have a game disc in your console, eject it.
Insert your flash drive into an open USB port on your PS3.
Scroll to the ̶0;Game̶1; option on the main menu and select your USB flash drive from the list of options.
Scroll to the saved game data you want to copy from your flash drive to your PS3. Press the triangle button on your controller, and then select ̶0;Copy̶1; in the sidebar menu. The saved game file will be transferred to the PS3 automatically. Repeat Step 3 and Step 4 for each saved game file you want to transfer to your console.