iOS 15.4 lets you unlock your iPhone's Face ID even when wearing a mask — here's how to set it up

To set up Face ID with your mask, update to iOS 15.4, then head to the Settings app and tap "Face ID & Passcode." ...
CNET

iPhone Face ID is pretty cool. Here's how it works and how to use it

After upgrading from a Touch ID-equipped iPhone ... up an Apple device with Face ID for the first time, you'll be asked if you want to use Face ID. If you chose not to, you can enable it through the ...