![OPPO A54s](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e121f6ca-95cb-4a09-8098-d39b47c67aaa.png?width=150&height=320)
OPPO A54s
Android 11.0
1. Find "SIM card & mobile data"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-33e0cf96-7d66-44d4-af4c-04f45e362355.png?width=198&height=444)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-121d34d3-3c68-444b-bc6e-83b7e1c08d72.png?width=198&height=444)
Press SIM card & mobile data.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-57e4edde-e1b3-4e0b-bd1d-fadf9f13bea4.png?width=198&height=444)
2. Turn data roaming on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-0d456f09-5b7d-406a-910c-3bfb3dee41bb.png?width=198&height=444)
Press the indicator next to "Data roaming" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c99d7647-6be4-4f41-9da4-d83aec74896b.png?width=198&height=444)
If you turn on the function, press Turn On.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-cdf6d038-39f0-4148-92ac-ad5203e171b3.png?width=198&height=444)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c99d7647-6be4-4f41-9da4-d83aec74896b.png?width=198&height=444)