ZTE today announced the Grand S 3, their new flagship phone for China. The most innovative feature of the phone is new technology that uses the front camera to actually scan your retina for security a step above fingerprints, according to the company. It gets a good look inside your eye by turing most of the screen white to illuminate the inside of your eye, while having you look at a green line that bounces up and down, to help the camera see a larger vertical section of your retina. It requires an 8-megapixel front camera to work well. In demos, it took around two seconds to unlock the phone this way. The same technology could be used anywhere fingerprints are currently used in mobile, such as adding security to mobile payment apps. ZTE indicated it may bring the feature to phones around the world in the future, including the U.S.


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