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Samsung Galaxy S20 Ultra 5G

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Android 10.0

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I can't make voice calls

This troubleshooting guide will take you through a number of possible causes
to help you find a solution to your problem.

Turn off fixed dialing.

Step 1 of 10

1. Tap the phone icon.

Step 2 of 10

2. Tap the menu icon.

Step 3 of 10

3. Tap Settings.

Step 4 of 10

4. Tap Supplementary services.

Step 5 of 10

5. Tap Fixed dialling numbers.

Step 6 of 10

6. Tap Enable FDN.

0000

Step 7 of 10

7. Key in your PIN2 and tap OK. The default PIN2 is 0000.

Step 8 of 10

8. Tap Disable FDN.

0000

Step 9 of 10

9. Key in your PIN2 and tap OK. The default PIN2 is 0000.

Step 10 of 10

10. Tap the Home key to return to the home screen.

Did this solution solve the problem? Yes No

Possible cause 5:

Fixed dialing is turned on

Solution:

Turn off fixed dialing.

Find "Fixed dialling numbers"

Tap the phone icon.

Tap the menu icon.

Tap Settings.

Tap Supplementary services.

Tap Fixed dialling numbers.

Turn on fixed dialing

Tap Enable FDN.

Key in your PIN2 and tap OK. The default PIN2 is 0000.

Turn off fixed dialing

Tap Disable FDN.

Key in your PIN2 and tap OK. The default PIN2 is 0000.

Return to the home screen

Tap the Home key to return to the home screen.

Did this solution solve the problem?

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