1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bf7bf188-c86a-43c6-a970-90a1c097d1b4.png?width=208&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6a446dc1-7864-4ed7-8032-99d72c639db4.png?width=208&height=454)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fe127a33-5d6e-4d5a-bae0-e5991310c882.png?width=208&height=454)
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-7ed3d6d9-d9a2-4163-ab47-ab5313c20d2a.png?width=208&height=454)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7ed3d6d9-d9a2-4163-ab47-ab5313c20d2a.png?width=208&height=454)