1. Find "Wi-Fi"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-158983d6-5500-4c1e-b728-644c442b86a0.png?width=202&height=414)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8e374bfc-3204-4bae-826e-46616f99962f.png?width=202&height=414)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fff434f9-eee1-4021-96eb-ca06a953a370.png?width=202&height=414)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f8b08250-962b-49d2-b39d-eac2aafae0aa.png?width=202&height=414)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-50ec2cd1-087f-4dc4-83d0-fda883b44289.png?width=202&height=414)
3. Turn automatic use of mobile data on or off
Press ADVANCED.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7b09e628-3f1b-48b2-995f-184ce257e8c4.png?width=202&height=414)
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-de880170-48e2-45a6-8407-3336cbc3762d.png?width=202&height=414)
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-de880170-48e2-45a6-8407-3336cbc3762d.png?width=202&height=414)