User's Manual
Page 115
and then enter the new password.
Note:
The initial password is “0000.” After you change your
password, you will need to input the password. If you forgot
your password, contact the service center.
4.5 Restore Factory Settings
This feature would reset the phone to the same settings as
those configured at the factory.
In this case, it does not delete the downloaded objects and
phonebook records.
You will need to input password to restore factory settings.