1. Find "Data roaming"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-846f314a-ff76-4cdb-83a4-54c089633530.png?width=204&height=446)
Press SIM cards & mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3b5d26d2-1e6d-4848-9e48-8c2bea5a1fa4.png?width=204&height=446)
Press Data roaming.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-645e8e3e-a58d-4a75-ac87-328b311f3520.png?width=204&height=446)
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-a8a7788c-ddbf-4b7f-b86f-ccfe0e23afbf.png?width=204&height=446)
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-a8a7788c-ddbf-4b7f-b86f-ccfe0e23afbf.png?width=204&height=446)