1. Find "Mobile networks"
Slide two fingers downwards starting from the top the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3b9d2ae0-4626-421c-adfc-7e604379498c.png?width=206&height=368)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5d92dc2a-9a04-4cce-8989-f6b5861fa7df.png?width=206&height=368)
Press More.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-710339d2-935b-4f6b-85ba-379359477c59.png?width=206&height=368)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bd54f5d6-c6fa-4f02-bb6a-ef6c28cb4769.png?width=206&height=368)
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-1a350bb6-b1c4-4395-b1db-5679a67b3b0e.png?width=206&height=368)
If you turn on data roaming, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4acac23d-eb74-4e1c-88d2-5ab64374c63d.png?width=206&height=368)
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-f079209b-a937-46f8-bd4d-4f47fe3fdcea.png?width=206&height=368)