Face ID not working

Try the following:

▷ Update your iPhone. 📲

If that didn’t help, then try a Hard Reset:

1. Press volume up (quickly)
2. Press volume down (quickly)
3. Press and hold the power button until the Apple logo ( ) appears

If that didn’t work, it could be a hardware issue. ⚠️

Get expert service and support at the Genius Bar.

• Call Apple Support at 1-800-APLCARE or get help here.
• Chat using Messages. 

Hey there,

See ☞ If Face ID isn't working on your iPhone or iPad Pro - Apple Support

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See ☞ If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support

Did you recently get your devices screen replaced? This can sometimes cause an issue