![Samsung Galaxy S21 5G](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-59f172d2-5dba-4569-94b6-41c456b4a98a.png?width=150&height=320)
Samsung Galaxy S21 5G
Android 11.0
1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4f73f480-9f98-4a94-8b07-6a2eb0b3b093.png?width=206&height=456)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-77d72a60-0d86-4165-85a3-2b12fca4ad63.png?width=206&height=456)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1698813e-d19c-42d2-aabe-038a76d1a048.png?width=206&height=456)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-abc4fdbe-bf8f-45d1-9667-4d84f238fb90.png?width=206&height=456)
2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-891b2d99-ca62-45a9-871e-dad7b30a3b82.png?width=206&height=456)
3. Turn automatic use of mobile data on or off
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-be21fe01-2bdb-4af9-9e44-c4ada6bdd4be.png?width=206&height=456)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d1429f22-aed0-4af7-a949-a212e2e1f4e3.png?width=206&height=456)
Press the indicator next to "Switch to mobile data" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0b178a38-b853-4b23-85a4-1fa7ccf29f6e.png?width=206&height=456)
4. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0b178a38-b853-4b23-85a4-1fa7ccf29f6e.png?width=206&height=456)