1. Find "Mobile & SIM"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0cf92f2c-1743-4e2f-9d0c-dc9ff19e5554.png?width=206&height=368)
Press All settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-aaa393c7-bd33-4171-8a45-eb5b50b0c2c0.png?width=206&height=368)
Press Network & wireless.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-60af48dd-e822-4f06-aaca-e91f0ecfedf1.png?width=206&height=368)
Press Mobile & SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b5fe03c5-dff8-415e-9608-6fe2b722be39.png?width=206&height=368)
2. Turn data roaming on or off
Press the drop down list below "Data roaming options".
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9967593a-2ff9-44e0-94ba-64f92c03939e.png?width=206&height=368)
Press roam to turn on roaming.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0d46d74b-e89c-4500-9a7c-4d0b6632b4d3.png?width=206&height=368)
Press don't roam to turn off roaming.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0d46d74b-e89c-4500-9a7c-4d0b6632b4d3.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-9967593a-2ff9-44e0-94ba-64f92c03939e.png?width=206&height=368)