![Huawei P40 lite 5G](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-8800411b-83e1-41af-9a72-af833fe287a1.png?width=150&height=320)
Huawei P40 lite 5G
Android 10.0
1. Find "SIM management"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d078d7ca-4d29-4210-b731-86988731af96.png?width=200&height=448)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-20dce25d-8f1e-42fe-b216-9350fcc9105f.png?width=200&height=448)
Press SIM management.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-11751bac-fa6c-4da0-a105-9d92aefdca09.png?width=200&height=448)
2. Turn use of SIM on or off
Press the indicator next to the required SIM to turn use of the SIM on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bc060d0e-a185-49fe-8e23-d649f2d322f1.png?width=200&height=448)
3. Select default SIM for mobile data
Press the field next to “Default mobile data“ below the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bc060d0e-a185-49fe-8e23-d649f2d322f1.png?width=200&height=448)
4. Select default SIM for voice calls
Press Default calling SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bc060d0e-a185-49fe-8e23-d649f2d322f1.png?width=200&height=448)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-6dd453f1-9a5f-4b38-91a3-13864d75e655.png?width=200&height=448)
5. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bc060d0e-a185-49fe-8e23-d649f2d322f1.png?width=200&height=448)