1. Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7050224-f-c2803b3e-c875-49fc-923e-2dc4a4150749.png?width=214&height=462)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7050224-f-97db32a7-1f39-425f-93ee-7f6dc721ccdb.png?width=214&height=462)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7050224-f-673ce40b-39f9-43e3-ab6c-6f77f7b355f7.png?width=214&height=462)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7050224-f-78ec5cf5-392e-4c79-8d43-28454645c1fa.png?width=214&height=462)
2. Turn data roaming on or off
Press the indicator next to "Data roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7050224-f-1f74db3a-268a-487e-9ad5-e27721b2917e.png?width=214&height=462)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7050224-f-1f74db3a-268a-487e-9ad5-e27721b2917e.png?width=214&height=462)