Face ID can be used for operations such as “unlocking the iPhone”, “purchasing iTunes/App Store”, etc. You can skip entering the passcode and save time, but for some reason you don’t need Face ID! For those who say, we will see how to disable (turn off) Face ID.
How to disable Face ID?
Here’s how to disable Face ID on your iPhone: This concludes the explanation of how to disable Face ID on the iPhone. Please also refer to the setting and usage of face authentication (Face ID). If you see Set up Face ID, Face ID is disabled.