https://blog.halide.cam/how-to-design-for-iphone-x-without-an-iphone-x-e7226ef0616

Our camera app, Halide, was just weeks old when the first leaks of the iPhone X surfaced. We didn’t know what the device was called, let alone exactly how it would impact our user interface — but we nevertheless decided to start working on what a camera app for it could look like.

Now, a month after the release of iPhone X, I want to show you how we designed and released an app redesigned for iPhone X, without ever even having held one.