1 Find "Mobile network"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-efed1f55-4489-4f5d-9516-8655da24d6b0.png?width=198&height=396)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-62daae99-c5eb-46b5-a647-7c08ff1fa085.png?width=198&height=396)
Press Network & connection.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ae9d152b-a0f6-4faa-a464-79d5035e5c42.png?width=198&height=396)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-75eba4fe-9c73-4276-a8d1-7d8289c75234.png?width=198&height=396)
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-6d1895aa-89a8-4d2e-a138-3b9d5b3cb270.png?width=198&height=396)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6569e0e3-d5ad-4586-b0d6-28f11abc223b.png?width=198&height=396)
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-6d1895aa-89a8-4d2e-a138-3b9d5b3cb270.png?width=198&height=396)