![Samsung Galaxy S21+ 5G](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-819e6b09-75ff-491b-9f20-5c876cf047a4.png?width=150&height=320)
Samsung Galaxy S21+ 5G
Android 11.0
Select dual SIM settings
When you insert two SIMs into your phone, you can make calls and send and receive messages from both SIMs. You can also select a default SIM for mobile data usage.
1. 1. Find "SIM card manager"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dadd74e0-d502-4515-a803-0b1f0188f4a9.png?width=206&height=456)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-757fc35f-f21a-4cb4-860a-e9c9f3bef234.png?width=206&height=456)
Press Connections.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8cb2b8e0-02e9-4874-ad55-b21b1835c20e.png?width=206&height=456)
Press SIM card manager.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e54c9de7-e8de-4627-b60d-eee235520ac2.png?width=206&height=456)
2. 2. Turn use of SIM on or off
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a4669d64-6ddb-491b-9a81-2fd4961a3d6f.png?width=206&height=456)
Press the indicator to turn use of the SIM on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a88cb555-f1be-4d4c-9ac0-876e8384065b.png?width=206&height=456)
Press the Return key.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a88cb555-f1be-4d4c-9ac0-876e8384065b.png?width=206&height=456)
3. 3. Select default SIM for voice calls
Press Calls.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a4669d64-6ddb-491b-9a81-2fd4961a3d6f.png?width=206&height=456)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b9c9e3fd-b9a9-4037-94d1-bce2cb1ba895.png?width=206&height=456)
4. 4. Select default SIM for text messaging
Press Messages.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a4669d64-6ddb-491b-9a81-2fd4961a3d6f.png?width=206&height=456)
Press the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-170e188b-5b21-468d-a583-a218a15d3435.png?width=206&height=456)
5. 5. Select default SIM for mobile data
Press Mobile data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a4669d64-6ddb-491b-9a81-2fd4961a3d6f.png?width=206&height=456)
Press the required setting.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-35c6a95e-513a-40fd-af93-59aa6d6fc5e2.png?width=206&height=456)
6. 6. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a4669d64-6ddb-491b-9a81-2fd4961a3d6f.png?width=206&height=456)