1 Find "Mobile data"
Press the Left selection key.
Select Settings and press the Left selection key.
Select Connectivity and press the Left selection key.
Select Mobile data and press the Left selection key.
2 Turn data roaming on or off
Select Data roaming and press the Left selection key.
Select On and press the Left selection key to turn on the function.
Select Off and press the Left selection key to turn off the function.
3 Return to the home screen
Press the Home key to return to the home screen.