![OPPO A57 4G](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ccc1f389-7e5c-4ef2-86b2-dac3129e8544.png?width=150&height=320)
OPPO A57 4G
Android 12.0
1. Find "Wi-Fi"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9a7d7d49-1709-4d0b-a490-fcda21ff950e.png?width=200&height=446)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9b5b36bf-abf1-4288-9ddc-88a494d4fae2.png?width=200&height=446)
Press Wi-Fi.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9f6e3bbb-0894-4769-ae20-8552eedda8c0.png?width=200&height=446)
2. Turn on Wi-Fi
Press the indicator next to "Wi-Fi" to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f923d3bd-652a-4612-a7fa-17715b892bd4.png?width=200&height=446)
3. Turn automatic use of mobile data on or off
Press Wi-Fi Assistant.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a10d44a4-8348-4bc3-9a6e-6b90c9c63a33.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/7151223-f-fc18af2b-22de-487a-8614-8e2c1c2269ac.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/7151223-f-5487ec94-f019-40df-b4e7-3efb3bb8e4cb.png?width=200&height=446)
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-5487ec94-f019-40df-b4e7-3efb3bb8e4cb.png?width=200&height=446)