https://thenextweb.com/basics/2020/04/17/how-to-turn-off-face-id-and-use-a-pin-to-unlock-your-iphone-instead/

Welcome to TNW Basics, a collection of tips, guides, and advice on how to easily get the most out of your gadgets, apps, and other stuff.

There’s no debating that wearing masks is a part of our lives now — at least for a few months. If you’re wearing a mask, you won’t be able to unlock your iPhone through Face ID.