Samsung has launched a new smartphone camera sensor. The ISOCELL Slim GH1 is a 43 MP camera designed to have a small physical footprint, making it perfect for use as a selfie camera. It uses Tetracell technology to output 10.9 MP images and supports 4K video recording, PDAF, EIS, and HDR.
https://www.notebookcheck.net/Samsung-s-new-43-MP-ISOCELL-Slim-GH1-sensor-could-change-the-selfie-game.435287.0.html