![Xiaomi Mi 10T Lite](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7b2fe265-3e0e-4699-bf5b-af74baf173b2.png?width=150&height=320)
Xiaomi Mi 10T Lite
Android 10.0
1. Find "SIM cards & mobile networks"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-83b6c051-494b-41a7-b4c3-ef4b312d038e.png?width=202&height=448)
Press SIM cards & mobile networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-dad08f07-0159-4cfd-816c-b1ff54ed9168.png?width=202&height=448)
2. Turn use of SIM on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-be0c78b0-4432-4457-a7f2-627625d720db.png?width=202&height=448)
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-a5fd8e03-ed17-474e-b70d-c2a2347ab346.png?width=202&height=448)
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-2b90f65f-07b3-4824-82d7-41171cf3c002.png?width=202&height=448)
Press the Return key.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a5fd8e03-ed17-474e-b70d-c2a2347ab346.png?width=202&height=448)
3. Select default SIM for voice calls
Press the required setting below "Default for calls".
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-be0c78b0-4432-4457-a7f2-627625d720db.png?width=202&height=448)
4. Select default SIM for mobile data
Press the required SIM below "Data card".
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-be0c78b0-4432-4457-a7f2-627625d720db.png?width=202&height=448)
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-be0c78b0-4432-4457-a7f2-627625d720db.png?width=202&height=448)