Read help info
It's important that the date and time are correct as some phone functions won't work.
1. Find "Date & time"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Date & time.
2. Turn on automatic date and time update
Press Auto-date & time to turn on the function.
3. Turn on automatic time zone update
Press Auto-time zone to turn on the function.
4. Return to the home screen
Press the Home key to return to the home screen.