1. Find "Mobile Data Options"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-13890e03-aa13-4089-8722-834252293340.png?width=210&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-eab53ccc-d8e3-436c-bfa4-506e0f9e90e3.png?width=210&height=454)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4b37e4c4-3b15-459a-884b-f1d4576b899c.png?width=210&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-029feda0-16e5-4f0f-b4a5-1d49053ecbd2.png?width=210&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-029feda0-16e5-4f0f-b4a5-1d49053ecbd2.png?width=210&height=454)