Things You'll Need
Instructions
Turn your Sony PSP off and remove the battery and memory stick from the device. Insert the Magic memory stick into the PSP.
Insert your Pandora battery into the PSP and it will turn on automatically. Select "NAND Operations" and "IDStorage Tools."
Select your region on the next page. Select "Get Real Mac Address" and "Create." You will be asked to verify your selections. Select "Yes" and your PSP NAND problems will be fixed.
Select "Reboot Device" and your PSP will be recycled and it will work properly.