![OPPO A57s](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-51787dba-ff62-4b22-b7c7-2783e3548b7d.png?width=150&height=320)
OPPO A57s
Android 12.0
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-44898e3f-1b47-41ad-b739-46770ac7db72.png?width=200&height=446)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1c174474-6d45-46e3-9ba3-f855f112a966.png?width=200&height=446)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-11052fd5-727c-4dab-b95a-e42a10820fb9.png?width=200&height=446)
2. 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-fc39d23c-6d26-40d3-bf79-81f98586fbdc.png?width=200&height=446)
3. 3. Turn automatic use of mobile data on or off
Press Wi-Fi Assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bbece719-b257-47bd-a6f0-ab6b2559d10f.png?width=200&height=446)
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-9d2a9e3a-139f-4275-b19d-26c80a5a3edf.png?width=200&height=446)
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-1065f9d8-b42d-4fb6-beb0-8403de52ff71.png?width=200&height=446)
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-1065f9d8-b42d-4fb6-beb0-8403de52ff71.png?width=200&height=446)