Hello, my phone is iPhone XS, face id is not working, please fix it

Hi kamolxon,

There are some things you can try when Face ID isn't working on your iPhone. The first would be to make sure that your device is running the latest iOS. Check out this link and try the troubleshooting steps. Let us know if this helps: If Face ID isn't working on your iPhone or iPad Pro - Apple Support

Check for updates

Update your iPhone or iPad to the latest version of iOS or iPadOS. And make sure that your iPhone or iPad model supports Face ID.

Check your Face ID settings

To check your Face ID settings, go to Settings, then tap Face ID & Passcode. Make sure that Face ID is set up and that the features you're trying to use Face ID with are turned on.

Cheers.