Select Menu > Settings > Config. > General and from the following:
- Personalization - to adjust the display, idle screen mode, tones, themes, language, voice command, and notification light settings.
- Date and time - to set the time and date and the display format
- Enhancement - to change the settings for an enhancement. Select an enhancement and the desired setting.
- Security - to change the phone and SIM card settings, such as PIN and lock codes, view certificate details, and check authenticity When security features that restrict calls are in use (such as call restrictions, closed user group, and fixed dialing), calls may be possible to the official emergency number programmed into your device.
- Factory config. - to reset some of the settings to their original values. You need the lock code.