However, I am not happy with it -- reviewing photos doesn't work because it makes the photos very dim, and there are other issues with it making me want to go back to Gallery as the app that the Camera will use when I review photos I've just taken.
Problem is, I can't find the "Photos" app listed in Settings -> Apps anywhere. I've checked everywhere. So I can't clear the defaults. I've even downloaded a default app settings app, and Photos doesn't show up in there, either. It says Gallery is still my default app, so I cleared that default. Still, when I take a pic and the slide to the left to review it, Photos is the app that shows my image.
Anyone have any ideas how to undo my selection of it as the default viewer app from the Camera?