How to Set Up The Iris Scanner on Samsung Galaxy Note7.
Samsung's Galaxy Note 7 is one of the best phones of the year. Aside from its great design and incredible feature set, it has one big thing that sets it apart: an iris scanner.
What is an iris scanner?
Simply what it sounds like: a tool that scans your eyes — or more specifically, your iris. It is used for biometric authentication, for logging in to your phone and various secure features within the phone, such as the Secure Folder.
The iris scanner uses two distinct pieces of hardware to achieve an accurate scan: a small, front-facing camera sensor; and an infrared sensor, that helps measure the unique aspects of your eye like its shape and depth. Combined, these prevent photos or other static interpretations of someone's face from being used to dupe the system.
Should you use an iris scanner?
Iris scanning is an alternative to other forms of authentication, particularly the Note 7's fingerprint sensor. It doesn't replace any way of logging in, but can be used in conjunction with other secure login methods like a password, PIN, or pattern. The Note 7's iris scanner is not always as reliable as its fingerprint sensor — both I and Andrew Martonik have had issues with it in anything but ideal lighting conditions — but it's also accessible in situations where the fingerprint sensor isn't a viable option. Use the iris scanner when your finger is wet or inside gloves, or when it just makes more sense to hold the phone upright.
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