Things You'll Need
Instructions
Plug a USB flash drive into the USB port of your computer. Wait until your system recognizes the attached device and upload all of the MP4 videos to the connected drive. Eject the device once the media has fully transferred over.
Turn on the PS3. Plug the USB flash drive into the USB port of the game console.
Go to the "Videos" section on the home screen of the PS3. The connected USB flash drive will display. Select the listing for the device and press the triangle button on the controller.
Click the "X" button to display the contents of the connected USB flash drive. Select an MP4 video and it will begin to play from the PS3.