1. Find "Mobile data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3fe24a4a-3ad5-4a64-9421-f22ef1d99058.png?width=218&height=448)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1f006724-ae12-4eda-af83-60534b43fcbb.png?width=218&height=448)
Press Mobile data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-983cfb1b-65a2-4ef3-aba1-d140de20df2b.png?width=218&height=448)
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-4bdb1c3a-843c-4108-b3df-39215fd54db1.png?width=218&height=448)
If you turn on the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9d272cc8-7986-4502-a441-849d64db6c43.png?width=218&height=448)
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-4bdb1c3a-843c-4108-b3df-39215fd54db1.png?width=218&height=448)