Things You'll Need
Instructions
Download an FTP file manager to your computer. Examples of software designed for the PS3 include Blackb0x PS3 FTP Server, Gaia Manager, or MultiMAN.
Insert your USB flash drive and copy your FTP server's installation files from your computer to the flash drive.
Plug the flash drive into the PS3 and install the software. You can find the installation files by selecting "Install Package Files" on the game menu.
Write down your PS3's IP address. You can find this information by checking the PS3's network settings.
Download and install FlashFXP to your computer. You will use this software to access the FTP server on your PS3.
Open FlashFXP and press F4 to open the Site Manager.
Click "New Site" and enter a name of your choice.
Enter your PS3's IP address into the field. Enter "21" for the port number and leave username and password blank.
Click "Apply" to save your changes and press "F8" on your keyboard to connect to the FTP server.
Click and drag any files you wish to copy from your computer to your PS3. Your computer's files will be listed in the left window, while your PS3 will be listed in the right window.