I have problems receiving voice calls on my Xiaomi Mi Mix 3

Press the phone icon.

Press the menu icon.

Press Call forwarding settings.

Press the required SIM.

Press the required divert type.

901

901

Key in 901 and press Turn on.

Press the Home key to return to the home screen.

Press the phone icon.

Press the menu icon.

Press Call forwarding settings.

Press the required SIM.

Press the required divert type.

Press Turn off.

Press the Home key to return to the home screen.

Press and hold On/Off until your phone restarts.

Press the phone icon.

Press the menu icon.

Press Advanced settings.

Press Call barring.

Press the required SIM.

Press the indicator next to the required barring type.

Key in your barring password and press OK.

Press the Home key to return to the home screen.