Samsung Galaxy A50
Android 9.0
Select help topic
1 Find "Voice call"
Press the phone icon.
Press the menu icon.
Press Settings.
Press Supplementary services.
Press Call forwarding below the required SIM.
Press Voice call.
2 Cancel all diverts
Press the required divert type.
Press Disable.
3 Return to the home screen
Press the Home key to return to the home screen.