1. Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ee9bc0a1-843c-46fa-9a48-5d569c4d9ed6.png?width=198&height=440)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e2f8b409-302a-44ba-952d-7a8c6ee04c88.png?width=198&height=440)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dac67cff-f632-4974-924c-9d0c1721cb88.png?width=198&height=440)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-78ad1239-11f3-4994-b84f-06df0b7fe3d0.png?width=198&height=440)
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-fabf7a22-e2a4-4815-ade3-e6e9612a24b6.png?width=198&height=440)
If you turn on the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-403b239f-2041-471e-a171-c01d60328399.png?width=198&height=440)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fabf7a22-e2a4-4815-ade3-e6e9612a24b6.png?width=198&height=440)