1. Find "Mobile network"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-19214162-0078-4d0a-912f-a3d3d0ed22a7.png?width=218&height=386)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dba07846-f574-4e52-bbb6-b763627679a5.png?width=218&height=386)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5cf5fb4b-eb6e-44fa-b8cc-87656d6bb2e7.png?width=218&height=386)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e1072804-3eb7-45b0-80fd-2118ae6d9ea4.png?width=218&height=386)
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-c76826e4-4f04-4c48-a503-178d1c38b34c.png?width=218&height=386)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f55313db-9875-44b1-a977-042baf4b7cee.png?width=218&height=386)
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-c76826e4-4f04-4c48-a503-178d1c38b34c.png?width=218&height=386)