Samsung Galaxy S21 Ultra 5G

Android 11.0

I can't make voice calls on my Samsung Galaxy S21 Ultra 5G Android 11.0

Cause 1 of 12: Your phone is overloaded for unknown reasons

If your phone is overloaded, you won't be able to make any calls. It may help restarting it.

Step 1 of 2

Restart your phone

Press the Side key.

Step 2 of 2

Restart your phone

Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts.

Press the Side key.

Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts.

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