If your PSP just isn't performing as well as it used to, restoring your device to its original factory settings is a last-ditch way to solve your problems. As restoring to factory settings will permanently delete all of your current settings, you should only do this if all other fixes have failed. Please note that restoring your PSP will not return the device to an earlier version of the operating software. Any software updates will remain in place.
Select the "Settings" icon from the PSP main menu. This icon is shaped like a toolbox.
Select "System Settings." This is the fifth item from the top of the "Settings" menu.
Scroll down towards the bottom of the list. Select "Restore Default Settings."
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