1. Find "Date & time"
Press Settings.
Press Additional settings.
Press Date & time.
2. Turn on automatic date and time update
Press the indicator next to "Use network-provided time" to turn on the function.
3. Turn on automatic time zone update
Press the indicator next to "Use network-provided time z..." to turn on the function.
4. Return to the home screen
Press the Home key to return to the home screen.