YunTab S5 Android phone uses 3D infrared for secure face unlock

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Android

Found on the company's $135 S5 Android-powered smartphone (not to be confused with Samsung's Galaxy S5), the 5.5-inch handset uses two infrared emitters, a secondary infrared camera to map a 3D image of your facial features.

Setting up the process is simple -- like Android's Face Unlock, the Facial Identification Technology (FIT) feature takes a scan of your face, and then requires you to enter a pin code.

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