The upcoming three smartphones by Apple — expected to hit the market as the iPhone 11 or iPhone XI family — have about the same size as their predecessors, but come with a triple rear camera setup with a rumored zoom factor of 3X. The main camera assembly is placed in a square area with a noticeable bump.
https://www.notebookcheck.net/Unofficial-video-shows-all-three-iPhone-11-models.427774.0.html