2D face unlocking (the type built into Android for the past few years) is not very secure, and we've known that for some time. But ever since Apple introduced the world's first 3D system (which it calls Face ID), we were under the impression that it was pretty much on par, security-wise, with a fingerprint scanner. You can then imagine our surprise to find out that a couple of guys in Germany were both able to unlock the same Huawei Mate 20 Pro phone with their faces, despite only one of them being enrolled into the system. The Mate 20 Pro uses a 3D face unlocking mechanism, so in...
Source: https://www.gsmarena.com/huawei_mate_20_pros_face_unlocking_gets_fooled_quite_easily-news-33827.php