OnePlus 6, login screen.
https://i.imgur.com/HXi8grX.jpg
Dragging down slightly to show the status bar gives an idea of what this looks like.
The entire black area is at the top, where the notch is. By default, apps normally don't go "into" the notch unless you enable it in settings
https://i.imgur.com/fXk7jZI.jpg

