This information is matched against the stored mathematical representation to authenticate. Each time you unlock your device, the TrueDepth camera recognises you by capturing accurate depth data and an infrared image. The TrueDepth camera is intelligently activated for example, by tapping to wake your screen, from an incoming notification that wakes the screen, or by raising to wake your iPhone. To use Face ID while wearing a mask, set up the feature and make sure the camera can see your eyes. Face ID works best when the device is at arm’s length or less from your face (25-50cm away from your face). The TrueDepth camera has a similar range of view as when you take a photo or make a FaceTime call with the front camera. Face ID needs the TrueDepth camera to see your face or your eyes, whether your device is lying on a surface or you’re holding it in a natural position. To unlock your device using Face ID, simply glance at it. You can do this during the initial setup process or at a later time by going to Settings > Face ID & Passcode. To start using Face ID, you need to first enrol your face. With iOS 15.4 and iPhone 12 or later, Face ID even works with face masks. Furthermore, it’s designed to work indoors, outdoors and even in total darkness. Face ID is designed to work with hats, scarves, glasses, contact lenses and many sunglasses. If there is a more significant change in your appearance, such as shaving off a full beard, Face ID confirms your identity by using your passcode before it updates your face data. A portion of the neural engine of the A11, A12 Bionic, A12X Bionic, A13 Bionic, A14 Bionic and A15 Bionic chip – protected within the Secure Enclave – transforms the depth map and infrared image into a mathematical representation and compares that representation with the enrolled facial data.įace ID automatically adapts to changes in your appearance, such as wearing make-up or growing facial hair. It also captures an infrared image of your face. The TrueDepth camera captures accurate face data by projecting and analysing thousands of invisible dots to create a depth map of your face. ![]() The technology that enables Face ID is some of the most advanced hardware and software we’ve ever created. See which iPhone and iPad models support Face ID. Apps that support Touch ID automatically support Face ID. Developers can also allow you to use Face ID to sign in to their apps. You can use it to authorise purchases from the iTunes Store, App Store and Book Store, payments with Apple Pay and more. With a simple glance, Face ID securely unlocks your iPhone or iPad Pro. ![]() Face ID provides intuitive and secure authentication enabled by the state-of-the-art TrueDepth camera system, with advanced technologies to accurately map the geometry of your face. In the same way that Touch ID revolutionised authentication using a fingerprint, Face ID revolutionises authentication using facial recognition. Much of our digital lives is stored on iPhone and iPad, and it’s important to protect that information. Find out how Face ID helps protect your information on your iPhone and iPad Pro.
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