1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7e693868-bd59-45bb-ac93-a593fa2145e1.png?width=204&height=432)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9ce1efa9-5206-46a8-a447-338255c2a8c9.png?width=204&height=432)
Press Network & Internet.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b5cf50c2-9259-4480-80f9-4f7d05314f97.png?width=204&height=432)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fd91419f-c9f6-47a0-a81e-060bd0b2cc3e.png?width=204&height=432)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4d9b1f36-2b79-4b4a-8e2e-cb72cb317f08.png?width=204&height=432)
3. Turn automatic use of mobile data on or off
Press Wi-Fi preferences.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7168bb55-b970-454a-890a-ad6391479a2e.png?width=204&height=432)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4e37a2ae-b050-4790-9b41-63d207d5928e.png?width=204&height=432)
Press the indicator next to "Switch to mobile data automatically" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-32b66738-2409-4249-a167-485b9cb47ec3.png?width=204&height=432)
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-32b66738-2409-4249-a167-485b9cb47ec3.png?width=204&height=432)