1. Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-33f987e6-fbb6-4fbc-824e-5e3a60c7e651.png?width=194&height=440)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8323c9e6-df24-45b8-8cc3-ac07d5b082cb.png?width=194&height=440)
Press Network and Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-27f03e40-ab1b-4c1c-afac-589865f9deea.png?width=194&height=440)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1720ccc8-60ec-49b8-b058-fd0cdf99e8ef.png?width=194&height=440)
2. Turn data roaming on or off
Press the indicator next to "Roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d52afd6c-26a8-4c12-b038-1a5168bbafcf.png?width=194&height=440)
If you turn on the function, press OK.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f198702a-6dde-480e-9350-7e57d03a21c4.png?width=194&height=440)
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-d52afd6c-26a8-4c12-b038-1a5168bbafcf.png?width=194&height=440)