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Not even the most expensive smartphone from Samsung will have a retinal scanner
Previously the high cost of frequent mistakes in the work, scanners at the iris of the eye is not as actively used, as a scanner of fingerprint. But time marches on and progress does not stand still, and we can say that the iris scanners in order surpass the popularity of scanners and the texture of the finger.
Samsung has become more actively promote the detection sensor on the iris of the eye. The first device in the series was the Galaxy Note phone 7, this is only the first step. In the mobile division of Samsung for the next public event said that soon will be released a series of budget phones with similar sensor lock and identification.
If the company can make the production of sensors quite cost effective and cheap, it is quite possible that in the near future we can expect in the market of phones out with an attractive price and with that sensor on Board. Android is a good system for public use, but if it is viewed from a position of safety, it is a "leaky bucket". Thus, the additional sensor identification even in the most expensive devices will reduce the risk of data loss.