Set date and time
It's important that the date and time are correct as some phone functions won't work.
Find "Date & time"
Slide your finger downwards starting from the top of the screen.
Tap All settings.
Tap Time & language.
Tap Date & time.
Turn on automatic date and time update
Tap the indicator next to "Set date and time automatically" to turn on the function.
Turn on automatic time zone update
Tap the indicator below "Set time zone automatically to turn on the function.
Set time zone manually
Tap the indicator below "Set time zone automatically to turn off the function.
Tap the drop down list below "Time zone".
Tap the required time zone.
Return to the home screen
Tap the Home key to return to the home screen.