1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-ab5f158f-6e41-48ac-b3c9-a251a56b5287.png?width=200&height=444)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-90323103-becf-4282-9e24-e6f0df5d6c00.png?width=200&height=444)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1031e6cc-b0df-4b54-a7b4-26326541ca8b.png?width=200&height=444)
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-a46e832c-1efd-49a6-a770-7012ceed7b1f.png?width=200&height=444)
3. Turn automatic use of mobile data on or off
Press Advanced settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-10c1b355-25b2-42a6-a3ce-2c9d445773a9.png?width=200&height=444)
Press Wi-Fi Assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3d177955-8519-4148-9793-bf3b6d782acb.png?width=200&height=444)
Press the indicator next to "Auto-connect to the best Wi-Fi" to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d17aa4d0-5bac-4c96-ab70-6a2e7ae6a424.png?width=200&height=444)
Press the indicator next to "Auto-switch to mobile network" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-83e1c71e-049a-4ded-bbad-4ba60bd3e135.png?width=200&height=444)
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-83e1c71e-049a-4ded-bbad-4ba60bd3e135.png?width=200&height=444)