1. Find "Mobile Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-77386f20-4611-473e-a41a-f1e43616d220.png?width=204&height=366)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b65541f7-465b-41ae-8945-b33122a17be0.png?width=204&height=366)
2. Turn automatic use of mobile data 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-3a6397ad-fff0-41ad-a11e-a9c7a4072587.png?width=204&height=366)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3a6397ad-fff0-41ad-a11e-a9c7a4072587.png?width=204&height=366)