Why? Because iris scanning tech reads and stores more data points, in turn making it harder to trick the tech. Using a red light and a dedicated camera, the Galaxy S8 scans your eye, which, just like your fingerprint, has a unique pattern that the phone is able to read and turn into a key. A key only you hold. According to the Business Insider story, fingerprint tech uses 13 reference points. Scanning an iris could lead to as many as 200 reference points, and the S8 examines both eyes, meaning the potential is there for 400 reference points just to unlock your phone.
My advice? Set up the fingerprint sensor, and then set up the iris scanner, Enable both features as a means to unlock your S8, using a fingerprint as a fallback when you're in direct sunlight or the iris scanner is struggling to read your eyes, Doing so makes you feel a bit like a top-secret spy, unlocking a phone just by looking at it while avoiding mucking up your camera lens, If you want to speed up the process of using your irises as an unlock method, be sure to enable "Iris case for apple iphone 7 plus - beige unlock when screen turns on." The option is found in Settings > Lockscreen and security > Iris Scanner..
With that option enabled, the moment you press the power button to wake your device the iris scanner begins looking for your eyes to unlock. Most of the time, it's a nearly instantaneous process as long as I'm holding the phone at the proper distance and height. Samsung is going all-in on biometric authentication with the Galaxy S8. But which one should you use?. You can use up to three different methods to unlock your Galaxy S8 phone using nothing more than your body. The front-facing camera can scan and identify your face, or you can use the embedded iris scanner to read your eyes like a fingerprint. Oh, and of course there's an oddly placed fingerprint sensor on the back of the phone.
Samsung's Galaxy S8 has a high price tag, The Galaxy S8 also costs more to build than its competitors, according IHS, including the Apple iPhone 7 and Google Pixel XL, Here's a look at the estimated material and manufacturing costs of several high-end phones put together by statistics site Statista, For consumers, the Galaxy S8 -- on sale around the world starting Friday -- costs $750, £689 or AU$1,199, Samsung said last week that it was already seeing high demand case for apple iphone 7 plus - beige for the phone, with preorders for the Galaxy S8 and S8 Plus surpassing the Galaxy S7 and S7 Edge's preorder numbers from February 2016..
Samsung declined to comment. Samsung's new flagship phone -- on sale today -- costs more to build than top phones from Apple and Google, according to an IHS Markit estimate. Samsung's new flagship phone is undoubtedly beautiful. But beauty comes at a cost. The Galaxy S8 costs $307.50 to build, which includes the cost of materials and manufacturing, according to an estimate released Thursday by analytics firm IHS Markit. That's more than Samsung's previous Galaxy S7 and Galaxy S7 Edge, which cost $255.10 and $271.20 to make respectively, said IHS Markit.