1. Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-663541c1-679f-4e7d-8afc-bc1cc46f4e03.png?width=204&height=418)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-368c6482-171a-4564-a97a-6b7a5d3311cc.png?width=204&height=418)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6c090f5c-00a2-4170-824c-34d4453a4324.png?width=204&height=418)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-04f18d4b-24fa-4476-ae11-ba33a57b1674.png?width=204&height=418)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6891b09f-a973-4f53-a2d2-3ef5fde1eeac.png?width=204&height=418)
3. Turn automatic use of mobile data on or off
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-74cd1918-5ebf-4f8e-857d-77ddd2944f74.png?width=204&height=418)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-cd0289a5-9e1b-4956-8124-ee7cde9a802c.png?width=204&height=418)
Press the indicator next to "Switch to mobile data" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b28cc8fe-908a-4ce4-af38-c2b9ecbd9229.png?width=204&height=418)
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-b28cc8fe-908a-4ce4-af38-c2b9ecbd9229.png?width=204&height=418)