Find "Restore factory settings"
Press the Menu key.
Press Settings.
Press Restore factory settings.
Restore the factory default settings
Key in the phone lock code (default is 0000).
Press OK.
Wait a moment while the phone restores the factory default settings.
Follow the instructions on the display to configure the phone and prepare it for use.
Press OK.
Wait a moment while the phone restores the factory default settings.
Follow the instructions on the display to configure the phone and prepare it for use.