The display area of the iPhone X was extended to the four round corners, front camera and parts for facial recognition as much as possible. To extend the display area to the area surrounding the front camera and parts for facial recognition, a part of the upper side of the bezel was cut out. The previous iPhones do not display images on the four corners and the upper and lower parts of the bezel where a front camera, etc are embedded.
The maximization of display area
The display area of the iPhone X was extended to the four round corners, front camera and parts for facial recognition as much as possible. To extend the display area to the area surrounding the front camera and parts for facial recognition, a part of the upper side of the bezel was cut out. The previous iPhones do not display images on the four corners and the upper and lower parts of the bezel where a front camera, etc are embedded.

[iPhone X Teardown] Apple's Strong Preference for Full-face Display (1)