1. Find "Mobile Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-58d2137b-8899-4078-b264-5f16e358b2ba.png?width=200&height=358)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ea443225-11c1-4a53-baff-4bb30732b576.png?width=200&height=358)
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-53aa4505-9215-43f6-9c1f-7317aa6eae2e.png?width=200&height=358)
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-53aa4505-9215-43f6-9c1f-7317aa6eae2e.png?width=200&height=358)