Smartphone manufacturers have released many new features or technologies in handsets. One of these techniques is Face Unlock. This feature has made unlocking the phone easier than ever. The user only has to bring the phone in front of his face and unlock the phone. But have you ever tried to know if this feature is safe for your phone? If not, then we are going to give you an important information related to this. 

Google launched this feature first in Android 4.0 in 2011. But at the time, its process was quite slow, which did not allow this feature to come in more limelight. After which this feature was re-introduced in March 2017 with Samsung Galaxy S8 and Galaxy S8 +. 

Apple Face ID is built by TrueDeath camera system. There are 30000 invisible dots that make a unique 3D model of the user's face which gets saved to unlock the phone. Whenever the user wants to unlock their iPhone X via Face ID, the phone's camera captures Infrared Imagination through the infrared (IR) camera, reading the dot pattern. After this, the image is sent for verification. The phone unlocks after this process. The point to consider is that this complete process is completed in less than 1 or 2 seconds. 

According to Kaspersky Labs, "Face ID feature in the budget phone depends only on the front-facing camera and common algorithms. But without the regular IR sensor and dot projector, the Regular 2D camera can also unlock the phone by displaying photos." At the same time, companies producing Android smartphones have claimed that the Face Unlocking feature is unsafe rather than typing the password and fingerprint scanner.

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