1. Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c888e151-6fe2-41dc-86db-61fd12e0a225.png?width=182&height=428)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-28abe10b-81d1-41aa-a802-bf17beddab94.png?width=182&height=428)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6f222803-1532-4523-a8e2-c9be5f3d3463.png?width=182&height=428)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-baee3979-c52c-4cd0-aa2a-5c9e9729837f.png?width=182&height=428)
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-b73acad2-27b1-4252-9eee-deabb51a29a9.png?width=182&height=428)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-21534abe-35a3-4440-a765-6388a0c961f0.png?width=182&height=428)
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-b73acad2-27b1-4252-9eee-deabb51a29a9.png?width=182&height=428)