Things You'll Need
Instructions
Turn off the Sony PSP and remove the battery and memory stick from the device. Place the Magic memory stick into the PSP.
Insert your Pandora/Datel service tool battery and your PSP will turn on. The PSP will now be in service mode. You will see a menu.
Press the "X" button to begin the installation of custom firmware. Wait for about two minutes as the new firmware is installed onto the PSP. Press the "X" button to shutdown the PSP after the process completes.
Reinsert the normal battery and memory stick back into the PSP and turn the PSP back on. The PSP will now run the custom firmware.