https://wccftech.com/apple-to-avoid-using-pop-up-camera-on-its-iphone/

Though smartphones are devices with solid-state structures, without possessing any moving parts to increase their longevity, manufacturers have had to take different approaches when it comes to increasing the screen-to-body ratio of their offerings.

For Apple, the iPhone X might not feature a chin bezel, and is a proper example of a portable gadget touting an edge-to-edge display, it is far from being called truly bezel-less and that is thanks to the notch, which houses some key components but contributes to that bezel.