Just as previously rumored, the new update for Apple's mobile operating system — iOS 12.1 — comes with Group FaceTime and a set of new emojis. In addition to these changes that target all compatible iPhones and iPads, the iPhone XR, iPhone XS, and iPhone XS Max receive depth control in camera preview and dual-SIM support.
https://www.notebookcheck.net/Apple-unleashes-iOS-12-1-Group-FaceTime-and-new-emojis-in-tow.351801.0.html