Samsung Galaxy A04s
It's not possible to receive voice calls
Solution 3 of 3: Barring of incoming calls is turned on
You can block certain types of calls such as incoming calls when you're abroad.
You can block certain types of calls such as incoming calls when you're abroad.
Press the phone icon.
Press the menu icon.
Press Settings.
Press Supplementary services.
Press Call barring.
Press the required barring type to turn the function on or off.
Key in your barring password and press OK.
Press the Home key to return to the home screen.