TCL 10L
Android 10.0
1 Find "Call barring"
Press the phone icon.
Press the menu icon.
Press Settings.
Press Calls.
Press Call barring.
2 Turn call barring on or off
Press the required barring type to turn the function on or off.
Key in your barring password and press ENABLE. The default barring password is 1919.
1919
3 Return to the home screen
Press the Home key to return to the home screen.