Xiaomi How to Turn On/Off SIM cards
Xiaomi 37267
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If we use dual SIM on the Xiaomi smartphone, we can deactivate one SIM card if desired, which means that no calls or messages are put through or received from the selected SIM.
Android 11 | MIUI 12.0





- Tap on Settings
- Tap on SIM cards & mobile networks
- Choose a SIM card (Dual SIM)
- Turn On or Off the selected SIM card
- Tap on OK