Find "Mobile networks"
Slide your finger downwards starting from the top right side of the display.
Press SETTINGS.
Press SETTINGS.
Press More....
Press Mobile networks.
Turn mobile data on or off
Press Data connection.
To turn on mobile data:
Press the name of the data connection.
Press the name of the data connection.
To turn off mobile data:
Press Off.
Press Off.
Return to the home screen
Press the home icon to return to the home screen.