1 Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0378fe2c-3fe4-4408-a236-6c636c623958.png?width=210&height=372)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-39ada35b-fec4-44c9-a92d-df31ec1fd195.png?width=210&height=372)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2de7b6c5-1ae7-4e3e-b40f-aa9e4b32ea58.png?width=210&height=372)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b8a54f50-1b06-405d-bb79-b2e558ca8d80.png?width=210&height=372)
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/7140723-f-2c77c963-9363-4f4e-8d62-0210c5996ba3.png?width=210&height=372)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4898a331-31b8-41f9-bd58-cb08e5216da6.png?width=210&height=372)
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-4b3d6461-c5fc-4766-9095-15a372e66dbd.png?width=210&height=372)