I have problems receiving voice calls on my Xiaomi Redmi 9AT

Press the phone icon.

Press the menu icon.

Press Settings.

Press Calling accounts.

Press Call-forwarding settings.

Press the required SIM.

Press the required divert type.

901

901

Key in 901 and press Turn on.

If you divert missed calls, you need to select a delay for the divert. Press the required delay and follow the instructions on the screen to select a delay for the divert.

Press the Home key to return to the home screen.

Press the phone icon.

Press the menu icon.

Press Settings.

Press Calling accounts.

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 Settings.

Press Calling accounts.

Press Advanced settings.

Press Call barring.

Press the required SIM.

Press the indicator 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.