1 Find "Mobile network"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-50b33a31-e9dc-4d3f-9df7-22e8fac8d8d4.png?width=200&height=400)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-54e0fb5f-9a57-4ba0-a4ac-1c145c6837ff.png?width=200&height=400)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f445b99b-44f2-4b52-abff-7401d52d38bd.png?width=200&height=400)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-21e1edd0-c3d9-4b45-8cc6-b1a1dba967b2.png?width=200&height=400)
2 Turn data roaming on or off
Press the indicator next to "Roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c21ff8a9-4495-4fa4-927f-dc8555f98c58.png?width=200&height=400)
3 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c21ff8a9-4495-4fa4-927f-dc8555f98c58.png?width=200&height=400)