Sony PSP Instruction Manual page 32

Settings) [Restore Default Settings], the system
password will be reset to "0000". For details, refer to
the online user's guide ( page 3).
Note that if you restore default settings, settings you
have adjusted for options other than the system
password will also be cleared. Once cleared, these
custom settings cannot be restored by the system.
The analog stick does not function properly.

At a scene where the symptoms appear, move the
analog stick in a circular motion to help you
determine the optimum operating range.
32
Troubleshooting