1 Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-09d44d7d-0a80-4228-968c-72450293b8bf.png?width=208&height=454)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7b3668fe-3c19-483d-82d1-a9ebcad8edf7.png?width=208&height=454)
Press Network & internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4e01a088-8063-4608-abfc-283c2ab868ee.png?width=208&height=454)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4e244f6c-2dcb-429a-89a5-76157a0a10ec.png?width=208&height=454)
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-8d776289-0399-44c8-8bdb-f0237503d10c.png?width=208&height=454)
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-8d776289-0399-44c8-8bdb-f0237503d10c.png?width=208&height=454)