Face ID on iPhone 13 Pro

Try the instructions in the following guides to address the Face ID issues that you are having. It would have been nice if you had posted the issues in details.

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

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

If the guides, above, do not help resolve the Face ID issues, then contact 👉 Official Apple SupportOR you can always get your iPhone examined at the Apple Store 👉 Genius Bar Reservation and Apple Support Options or at an Authorized Service Center for further diagnosis and a resolution.

Axel F.

Check this link...

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

If that doesn't help, you will need to make an appointment at the nearest Apple Store for a repair...

Apple Store - Find a Store - Apple

The issue that you are having with Face ID is not known to have occurred just from the iOS update.

I recommend that you reset Face ID function on your iPhone by opening Settings ➡️ Face ID & Passcode ➡️ Reset Face ID. The iPhone will then have you set up Face ID like it did the first time. Hopefully a reset is all it needs to get the Face ID functioning properly again.

Axel F.