1. Find "Mobile Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-42341d51-cd0e-4398-b29e-39ef3b479dd1.png?width=210&height=454)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a923930d-acbe-4c89-92af-742443eb71de.png?width=210&height=454)
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-21ddc0ba-51cf-4c3e-a0b8-d4a670fd7113.png?width=210&height=454)
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-21ddc0ba-51cf-4c3e-a0b8-d4a670fd7113.png?width=210&height=454)