1. Find "Wi-Fi"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-83b6c051-494b-41a7-b4c3-ef4b312d038e.png?width=202&height=448)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dad08f07-0159-4cfd-816c-b1ff54ed9168.png?width=202&height=448)
2. Turn on Wi-Fi
Press the indicator next to "Wi-Fi" to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9657279a-894a-4f1a-9b5d-f39b593f0213.png?width=202&height=448)
3. Turn automatic use of mobile data on or off
Press Wi-Fi assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-83cb3725-2df4-49cf-b8ae-695beff68870.png?width=202&height=448)
Press Select best networks automatically.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-993fd794-15ff-49a9-8450-cbfe655b9109.png?width=202&height=448)
Press the indicator next to "Select best networks automatically" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-49cb451f-0fea-42cc-ad0e-6d575668082c.png?width=202&height=448)
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-49cb451f-0fea-42cc-ad0e-6d575668082c.png?width=202&height=448)