Restore factory settings
To restore the phone back to factory conditions, select
Menu
>
Settings
>
Restore
factory sett.
and from the following options:
20 Settings
Default configuration settings — to view the service providers saved in the phone
Personal configuration settings — to manually add new personal accounts for
Restore settings only — to reset all preference settings without deleting any personal
data
Restore all — to reset all preference settings and delete all personal data, such as
contacts, messages, media files and activation keys