I'm having problems with Face ID

This Support article is specific to seeing a 'disabled' Face ID alert, and explains what to do when you see that notice. --> If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support

Since updating update did not solve the problem you need to have Apple take a look at your device. Use this link to set up an appointment —> Genius Bar Reservation and Apple Support Options - Apple

Go to this page to find your nearest Apple Authorized Service Provider (AASP) or Apple Authorized Distributor (AAD) --> Find Locations

How to make a Genius Bar appointment

1. Go to Genius Bar Reservation and Apple Support Options - Apple

2. Go to "Get hardware help".

3. Select your hardware and continue selecting options requiring replacing parts until you see "Bring in for Repair"

4. Sign in with your Apple ID

It you are have trouble with web support link provided, download the Apple Support app. You can choose to Call, Email, or Chat to set up a Genius Appointment.

You can also click Contact Apps Support in the related article at the top of the page and after you select a device, you have the option to Call to make an appointment.

If you followed the Support Article that was viewed on the top of this page, then the only option is the last step to contact Apple to get service.