Samsung Galaxy S21 Ultra 5G

Samsung Galaxy S21 Ultra 5G

Android 11.0

Select dual SIM settings on your Samsung Galaxy S21 Ultra 5G Android 11.0

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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.

Step 1 of 14

1. Find "SIM card manager"

Slide two fingers downwards starting from the top of the screen.

Step 2 of 14

1. Find "SIM card manager"

Press the settings icon.

Step 3 of 14

1. Find "SIM card manager"

Press Connections.

Step 4 of 14

1. Find "SIM card manager"

Press SIM card manager.

Step 5 of 14

2. Turn use of SIM on or off

Press the required SIM.

Step 6 of 14

2. Turn use of SIM on or off

Press the indicator to turn use of the SIM on or off.

Step 7 of 14

2. Turn use of SIM on or off

Press the Return key.

Step 8 of 14

3. Select default SIM for voice calls

Press Calls.

Step 9 of 14

3. Select default SIM for voice calls

Press the required setting.

Step 10 of 14

4. Select default SIM for text messaging

Press Messages.

Step 11 of 14

4. Select default SIM for text messaging

Press the required SIM.

Step 12 of 14

5. Select default SIM for mobile data

Press Mobile data.

Step 13 of 14

5. Select default SIM for mobile data

Press the required setting.

Step 14 of 14

6. Return to the home screen

Press the Home key to return to the home screen.

1. Find "SIM card manager"

Slide two fingers downwards starting from the top of the screen.

Press the settings icon.

Press Connections.

Press SIM card manager.

2. Turn use of SIM on or off

Press the required SIM.

Press the indicator to turn use of the SIM on or off.

Press the Return key.

3. Select default SIM for voice calls

Press Calls.

Press the required setting.

4. Select default SIM for text messaging

Press Messages.

Press the required SIM.

5. Select default SIM for mobile data

Press Mobile data.

Press the required setting.

6. Return to the home screen

Press the Home key to return to the home screen.