The blog SvetApple has just published revised iPhone 12 renders that incorporate every leak and rumor concerning these upcoming new devices. They include the idea that they may come with the ground-breaking LIDAR functionality debuted in the 2020 iPad Pro. This makes their camera humps into more cohesive-looking squares.
https://www.notebookcheck.net/The-latest-iPhone-12-renders-count-the-new-iPad-Pro-s-LIDAR-scanner-in.458679.0.html