Download songs from the internet, transfer photos form cameras to ur computer, or transfer movies from video cameras on to the computer or download from internet.
Then u need to take the psp USB cable and connect it to the COMPUTER or LAPTOP USB port.
Then go on ur psp, and go to " SETTINGS ", then go to " USB CONNECTION ".
Then go on ur computer/ laptop, THEN GO TO THE PSP file which will come when the Usb Connection is enabled, and transfer all the movies, songs or photos in the psp file.
Then close the psp file and carefully take out the usb cable.