Face ID is the main unlocking mechanism in the iPhone X. Of course, you can also unlock the device in the old fashion with a password. However, if you prefer to use Face ID, you would certainly want the scanner to run smoothly. If you set up the face scanner, but then decided not to use it, just reset the settings and the face recognition data will be deleted from the device.
How to reset Face ID settings on iPhone X
1. Open the Settings application on your iPhone X and select Face ID and passcode .
2. Scroll down to “Reset Face ID” (highlighted in red) and press to confirm your intention to reset the scanner settings.
That’s all there is to it. If you reset Face ID settings in order to install new ones, do not forget to do this. Remember, as a sample for unlocking iPhone X, only one person can be selected. This is one of the differences between the Face ID and the Touch ID sensor, which allows you to set several fingerprints at once. It is possible that over time Apple will add to iPhone X the ability to scan multiple faces or one person, but in different images.
One more thing. If you reset Face ID settings and do not reset them, the Face Detection function will be disabled until you reset it. You can also disable Face ID for a while.
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Face ID is a system for biometric user authentication. Unlike the password (something you know) and the hardware key (something that you have), you need yourself for biometric authentication. By the way, the definition of a user on fingerprints is also biometric authentication.
Touch ID recognizes the user by drawing on the fingertips, and Face ID – according to the unique parameters of the face. According to the manufacturer, the system is capable of:
- Create a high-precision initial scan of the person, on the basis of which the user will be subsequently identified.
- Match the received face image with the original scan and recognize the user under different conditions.
- Scan the face under different lighting conditions (even in darkness).
- Update the original scan in accordance with age changes, hair, whiskers, different shapes of eyebrows, etc.
- Prevent the unlocking of the device by third parties using photographs, disguises and other methods to obtain unauthorized access.
With Face ID, you can do the same thing with Touch ID – make payments through Apple Pay, make purchases in the App Store and other app stores that support Touch ID.
How exactly will the process of confirming purchases in the application using the face scanner, is still unclear. Now in the applications appears icon Touch ID, and the user must attach his finger to the sensor. Will it be necessary to first click on the Face ID icon, and then scan the face, or the scan will happen immediately automatically, it is unclear.
Third-party stores will have access to the face mapping system, but not at the level that Apple has. Most likely, they will have the opportunity to use a “live” depth-of-image map – a new feature in iOS 11 for the two main cameras.