Set date and time
It's important that the date and time are correct as some phone functions won't work.
Find "Date and time"
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Date and time.
Turn on automatic date and time update
Tap Automatic date and time to turn on the function.
Turn on automatic time zone update
Tap Automatic time zone to turn on the function.
Return to the home screen
Tap the Home key to return to the home screen.