Samsung Galaxy A12
Android 10.0
1 Find "Notifications"
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Notifications.
2 Turn notifications on or off
Press See all.
Press the drop down list.
Press All.
Press the indicators next to the required apps to turn the function on or off.
3 Return to the home screen
Press the Home key to return to the home screen.