Since the official start of sales of the new smartphone was not so much time, and users-enthusiasts have found a way to hack a new Face ID feature.
So, a group of American young people from the publication Mashable found a vulnerability that allows to get rid of the lock device without participation of the owner. The fact that the iPhone X, scanning the faces before unlocking, can take the twins for one person. They experimentally showed that in this case «the system fails». They also published a graphic video, and the description noted, as shown in the pictures of the twins not distinguish even their relatives and friends.
Video source: youtube.com/Mashable
The creators of the product aware of this problem and repeatedly warned potential buyers that with the Face ID feature can cause problems if we are talking about children under 14 years of age, and twins.