1. From the home screen, press the Right Soft key.
   
2. Select Settings, then press the Center Nav key.
   
3. Scroll to and select Security Settings, then press the Center Nav key.
   
4. Select Master Clear, then press the Center Nav key.
   Note: Performing a master clear will wipe all personal data from the device and restore it to factory settings. This process cannot be reversed.
   
5. Enter the required password, then press the Center Nav key.
   Note: By default the lock code is '0000.'
   
6. Press the Left Soft key to confirm.