Yesterday Apple announced iOS 12 and eager users are already combing through the beta to see all the features Apple talked about and many they didn't mention. One feature of the latter sort is Set Up Alternate Appearance, under Face ID & Passcode. Its description is a bit unclear - "In addition to continuously learning how you look, Face ID can recognize an alternative appearance." - but the folks over at 9to5Mac have confirmed that it allows a second face to be used to unlock an iPhone X. Some believe that the new feature has been developed for a future iPad that will forgo Touch...
Source: https://www.gsmarena.com/ios_12_adds_support_for_second_face_id_user_many_more_features-news-31495.php
