I may hate the Notch, but I really love the new MacBook Pro rounded corners. I do it on my Desktop:

…with Displaperture, but I do it on my iPhone SE 2 w/ a Pixelmator Template I created:

I thought I would the template—just replace the middle layer with your desired wallpaper…

Download Here ↓

Note, this is unique to iPhone SE 2, but it should work on iPhone 6s too.