The Samsung Galaxy S5 was released featuring a fingerprint scanner biometric security. Today, Samsung posted a teaser of a Galaxy Note 4 feature on its SamsungExynos twitter account. showing showing a phablet-like device that focuses on an Eye. This Hints for a an Eye scanner, probably a "Retina Scanner" sensor. Using the Eye for authorization is the higher biometric security available till date.
The tagline of the image is "Unlock the future" so the retina scanner should work for unlocking the device, too. It was Samsung who pioneered another eye-tracking feature Smart Screen prevents the screen from dimming and locking while you're looking at it. New Galaxy Notes are traditionally unveiled at IFA, this year it starts in at the beginning of September.
Source [Twiter]
if so it will b a faliure
