Apple announced a new and costly edition of its popular Smartphone, the iPhone X, in September. The company made the iPhone X available in more than 55 countries and territories. In addition to presenting an end-to-end OLED screen, the iPhone X also has a several features ready to use to challenge Android platform dominance.

At the same time, the special iPhone model also comes with smart and exclusive facial recognition system: Face ID. The face identity allows users to use their face as classic passwords. The face scanning system allows the user to unlock their iPhone X just by looking towards the phone, with their eyes open. You can even use face identification to secure data stored on your iPhone X and make mobile payments.

However, Face ID on your iPhone X takes benefit of another robust hardware feature included in the phone, the TrueDepth camera. Lots of analysts think that Apple will soon make the innovative face scanning system available to other iPad and iPhone models. As a result, iOS developers have to understand the important aspects of Face ID on the iPhone X to meet the emerging trend of mobile application development.

Important aspects of iPhone X face recognition that iOS application developers should know

Replace Touch ID On Iphone X

Touch ID was an integral part of numerous iPhone models. The verification system allows users to unlock their Smartphone simply by placing their fingers on the sensor. A user can even use Touch ID to perform a variety of financial transactions and mobile payments. The iPhone X is designed with a face ID instead of a touch ID. Unlike Touch ID, Face ID does not need users to touch fingers their smartphone. A user can take advantage of the facial identity to unlock their phone simply by looking at the screen. At the same time, iOS application developers can take advantage of the new facial recognition system simply by replacing the Touch ID code with the Face ID code.

Do Not Make Obsolete Codes

Despite the replacement of Touch ID on the Smartphone iPhone X, Face ID has not yet completely replaced authentication codes. Apple suggests that iPhone users to use authentication codes when rebooting the device. This device has been unlocked for more than 48 hours and the user has tried to make a pairing error five times. In addition, a user must use an authentication code to make their smartphone devices accessible to friends and family.

Authenticate Through Truedepth Camera

Face ID authenticates users with another new feature provided by iPhone X: the TrueDepth camera system. The advanced camera system captures all the features of a user`s face through depth mapping. In addition, TrueDepth creates a unique facial map by capturing more than 30,000 invisible points projected on the user`s face. Each time a user unlocks their iPhone X, the TrueDepth camera reads the dot patterns through an infrared camera and captures an infrared image. Then send the infrared image to Secure Enclave on the A11 bionic chip. Once the authenticity of the infrared image is confirmed, the iPhone is unlocked.

Use Machine Learning

A user`s appearance may change from time to time. Face ID uses machine learning algorithms to recognize changes in a user`s appearance. Therefore, a user can unlock their iPhone X regardless of their current appearance. You can take advantage of facial recognition on iPhone X to unlock and authenticate despite wearing a hat, putting on glasses and shaving. The TrueDepth camera also uses a lighting device to identify the user`s face through invisible infrared light when there is not enough light.

Prevent Unofficial Access To A Device

Although it identifies different appearances of the similar user, Face ID on iPhone X still does not allow a different person to unlock the smartphone. When unlocking the phone, users have to keep their eyes open. If the author eyes are closed, the phone will not unlock. This function prevents unauthorized users from unlocking the iphone X device when the real user is missing or inactive. However, Face ID on the iPhone X have the capability to identify identical twins. A user must also use an authentication code to prevent their iPhone X from being inaccessible to the twin.

There Is No Option To Register Multiple Users

Iphone further improves the security of the iPhone X by allowing every user to register only one face. No user has the option to register various faces. As a result, only one user can unlock and authenticate through face identification. However, a user can still make their iPhone X accessible to multiple users by sharing their authentication code. Multiple users can access the same iPhone X through password authentication instead of logging in.


In addition to protecting the iPhone, Face identify also advance the user experience by performing some basic tasks. The face identify system of the facial recognition system attracts attention and allows users to perform basic tasks simply by looking towards the mobile. For example, a user can take benefit of face identity to verify messages and notifications decrease the volume of alarms or ringtones and keep the screen on during playback.

Facilitates Mobile Payment

In addition to improving the security of the iPhone X, Face ID will also make easy mobile payment. It will work absolutely with Apple Pay. In addition, a user can take advantage of Face ID on the smartphone while shopping at physical stores and restaurants that support Touch ID payment. In addition, applications that support Touch ID will allow users to take advantage of facial identity. Developers can force their existing iOS applications to support facial identity by replacing the touch identification code with the identification code. However, many banks and financial institutions have not yet fully supported facial identity.

Security And Privacy Issues

Apple implements some security mechanisms to keep face identifying private and secure. After scanning a user`s face, the TrueDepth camera system stored the information directly on the A11 bionic chip. In addition, iphone X does not transfer information to its server or cloud. As a result, facial scan information is only stored on the iPhone X. Apple also uses the facial recognition system as a solid security tool to keep user data inaccessible and prevent unauthorized access. A Vietnamese hacker recently said that he wanted to break the face identity in front of a complex face by creating a complex facial mask. But many security experts believe that Apple must make many changes to Face ID on the iPhone X to be an effective security measure.

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