Since last upgrade faced isn’t working on iphone10

If your Face ID is not working, see this, If Face ID isn't working on your iPhone or iPad Pro - Apple Support and this If an alert says Face ID has been disabled on your iPhone or iPad Pro - Apple Support. If neither help, then use the Get Support link at the top of the page here to contact Apple Support for service, or make a Genius Bar appointment at your nearest Apple Store. 

hickorydrive Said:

"Since last upgrade faced isn’t working on iphone10: Any issues with latest upgrade with face id"

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Report this to Apple:

Do your part: Let Apple know what is going on here. Provide them with feedback on this. They may not get back to you directly, but the more feedback they received on this, the more they will know what is going on, and what needs to be fixed in updates to come.

1. Go Here: Feedback - iPhone - Apple
2. Comment: on when you came across this issue, and how you have troubleshot it thus far.
3. Select: "Bug Report" for the "Feedback Type"
4. Proceed from there aw necessary