1. Find "Mobile networks"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cb4554cc-f1d2-4b41-b7db-2b4d785e436b.png?width=220&height=394)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-88396f5a-f90f-48f8-b3ec-1004b15f0b78.png?width=220&height=394)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-30f304d8-58a0-4948-a6a5-8118e6aadb11.png?width=220&height=394)
Press Mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9e1bb3ea-908e-4a1f-95e1-db2a2755fcb6.png?width=220&height=394)
2. Turn data roaming on or off
Press Data roaming to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-774b4421-fce9-4233-a81b-15f1d81a6c00.png?width=220&height=394)
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-40f985d3-1c3a-4489-b3d6-8738df45331a.png?width=220&height=394)