![Samsung Galaxy Note10](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c07fa400-5b9d-4261-aedd-4520a8821503.png?width=150&height=320)
Samsung Galaxy Note10
Android 9.0
Turn automatic use of mobile data on or off
You can set your phone to use mobile data automatically when the connection to the Wi-Fi network is weak. To turn automatic use of mobile data on or off, you need to turn on mobile data.
1. 1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e0948856-ff8f-4c3a-895a-6acad742554d.png?width=216&height=456)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4676d3ae-b6f2-46e5-8a3a-7cb3426bd6a0.png?width=216&height=456)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fbbff45e-ce4e-49ac-886c-1d98d4da1cca.png?width=216&height=456)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-64c4a9b1-ab8f-4348-bf3f-ba6cffd0fd97.png?width=216&height=456)
2. 2. Turn on Wi-Fi
Press the indicator to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-60e286eb-1c2e-4e3b-adbb-e72ed4daa812.png?width=216&height=456)
3. 3. Turn automatic use of mobile data on or off
Press the menu icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dd612ec9-5609-492e-ac24-4ef2c6b7fb58.png?width=216&height=456)
Press Advanced.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a8e37949-5379-4575-b30a-adcf14732c90.png?width=216&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/7140723-f-9a1c374e-08e1-4daf-a7ca-0a4a2472027f.png?width=216&height=456)
4. 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-9a1c374e-08e1-4daf-a7ca-0a4a2472027f.png?width=216&height=456)