1 Find "Mobile Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5a08f69c-58dd-4a71-83e2-3f47b19b6b2a.png?width=210&height=456)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b7a18a2d-cab0-4884-b842-b3c63f2ee1d0.png?width=210&height=456)
2 Turn Wi-Fi Assist on or off
Press the indicator next to "Wi-Fi Assist" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8d7ef68c-e0db-4f4a-aae4-11ead99d08ab.png?width=210&height=456)
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-8d7ef68c-e0db-4f4a-aae4-11ead99d08ab.png?width=210&height=456)