1. Find "Mobile networks"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2a8e5789-c19d-46c2-acfa-5f71996d1b15.png?width=204&height=452)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ab54c96e-8038-49b0-af51-d957aea0fa89.png?width=204&height=452)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e765efa2-596c-4b60-9f47-a20f2ce4ac9f.png?width=204&height=452)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2f57ad78-cd36-4a67-9286-a0ac0010a260.png?width=204&height=452)
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-b6d4ed09-a7af-413a-8550-28ef07de45e7.png?width=204&height=452)
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-b6d4ed09-a7af-413a-8550-28ef07de45e7.png?width=204&height=452)