1 Find "Mobile networks"
Slide two fingers down the display starting from the top edge of your phone.
Press the settings icon.
Press the settings icon.
Press More....
Press Mobile networks.
2 Turn mobile data on or off
Press Data connection.
To turn on mobile data:
Press the required data connection.
Press the required data connection.
To turn off mobile data:
Press Off.
Press Off.
3 Return to the home screen
Press the home icon to return to the home screen.