![Xiaomi 12 Pro](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-203c1292-91fc-4642-8fac-abdfee972a52.png?width=150&height=320)
Xiaomi 12 Pro
Android 12.0
1. Find "SIM cards & mobile networks"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-db180e8a-c425-4737-8b05-30fba593c89a.png?width=206&height=456)
Press SIM cards & mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-af974982-4ca7-422f-b169-956962a8a30d.png?width=206&height=456)
2. Turn use of SIM on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-80444228-a777-4c23-b4aa-cbecc7549d20.png?width=206&height=456)
Press the indicator next to "Turn on" to turn use of the SIM on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d2fe2461-9cab-4c0e-a0c5-3935392483fd.png?width=206&height=456)
If you turn off use of the SIM, press OK.
You can only turn off use the SIM if it has not been selected as the default SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f9d3f60a-9930-4bfb-a44f-2fc222629e1b.png?width=206&height=456)
Press the Return key.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d2fe2461-9cab-4c0e-a0c5-3935392483fd.png?width=206&height=456)
3. Select default SIM for voice calls
Press the required setting below "Default for calls".
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-80444228-a777-4c23-b4aa-cbecc7549d20.png?width=206&height=456)
4. Select default SIM for mobile data
Press the required SIM below "Data SIM".
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-80444228-a777-4c23-b4aa-cbecc7549d20.png?width=206&height=456)
5. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-80444228-a777-4c23-b4aa-cbecc7549d20.png?width=206&height=456)