1. Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7e693868-bd59-45bb-ac93-a593fa2145e1.png?width=204&height=432)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9ce1efa9-5206-46a8-a447-338255c2a8c9.png?width=204&height=432)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b5cf50c2-9259-4480-80f9-4f7d05314f97.png?width=204&height=432)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fd91419f-c9f6-47a0-a81e-060bd0b2cc3e.png?width=204&height=432)
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-2fd1b777-fc3c-4f15-a9df-96b2f0b97fa0.png?width=204&height=432)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4de5ebb7-14d7-4794-9d9d-f95b00d2b3fd.png?width=204&height=432)
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-2fd1b777-fc3c-4f15-a9df-96b2f0b97fa0.png?width=204&height=432)