Why My Face ID not working?!

Hello rahaf174,

Thank you for reaching out in Apple Support Communities. We understand you're experiencing an issue with Face ID, as it has been disabled. We'll be happy to help.

It appears you were reviewing this helpful article: If an alert says Face ID has been disabled on your iPhone or iPad Pro Were you able to follow step one by making sure that your iPhone is updated to the latest version of the iOS software? If not, let's make sure to follow these steps and verify that you have the latest version of iOS 14.7.1: Update your iPhone, iPad, or iPod touch

If updating your iPhone to the latest software does not help with Face ID, we suggest to have your device physically inspected for service. You can contact Apple Support to review the best available service options by selecting this link here: Get Support

Kind regards.