Restore original settings
If your phone is not working properly, you can reset some settings to their original
values.
1 End all active calls and connections.
2 Select >
Settings
and
Phone
>
Phone management
>
Factory settings
>
Restore
.
3 If prompted, enter the security code.
This does not affect documents or files stored on your phone.
After restoring the original settings, the phone switches off, and then on again. This
may take longer than usual.