This is one of the main innovations of the LG G8 ThinQ, and it worked okay when we tested it, with a slight delay and a few failures. You might not use it much, but if you need to unlock your phon ...

The G8 ThinQ, meanwhile, is a different story ... 3D facial recognition like the iPhone’s Face ID, which LG calls Face Unlock, but it also supports hand gestures and Hand ID.