1. Find "Mobile network"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ce409a18-7d60-452d-8cb4-900f2f3ea610.png?width=208&height=416)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f0013c2d-fb4e-4ab0-abbe-58547da14758.png?width=208&height=416)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-47369a8c-31ca-4852-834b-b808e4124c29.png?width=208&height=416)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7954b979-0b37-4bc9-898f-a86f39d6ccec.png?width=208&height=416)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0b5bfa78-83d5-4c89-8467-02ff9f775786.png?width=208&height=416)
3. Turn automatic use of mobile data on or off
Press Wi-Fi preferences.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f3214777-007b-4c55-b073-beb139eeeca9.png?width=208&height=416)
Press the indicator next to "Auto-switch to mobile network" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-67297004-548c-4409-bb31-0f02a8bfaea8.png?width=208&height=416)
4. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-67297004-548c-4409-bb31-0f02a8bfaea8.png?width=208&height=416)