WEBVTT

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Bye- bye home button. Apple's newest iPhone models 

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have bid farewell to the fingerprint reader and now 

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face scanning is the new normal at Apple. Where your 

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phone knows what you look like and your face 

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becomes your password. The face ID seciroty feature 

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was first launched in the iPhone 10 and it's also in the 

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new XS, the XS Max and the XR. If you've never 

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used it before, to unlock an iPhone get ready to ask 

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yourself questions like. Why doesn't it work with my 

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sunglasses? Why does it feel so awkward paying with 

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my face? Why does it feel like it never works when you 

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wake up in the morning? I'm Bridget Kerry let's break it 

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down. [ MUSIC ] 

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Go. Okay, so for starters, Face ID 

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is pretty cool advance technology. You just glance at a 

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phone and it unlocks. You can throw on different hats 

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and glasses, And it will still work. It is totally encrypted, 

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and the chance of someone else unlocking your phone 

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with their face is one in a million. No other smartphone 

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has this capability. But it has its quirks, especially 

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for new users. If it cannot read your face, access 

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is denied, and you have to try again or enter a 

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passcode. And that fail moment can be so irritating 

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because it slows you down, so how do you avoid those 

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misfires? I spoke with Apple to get some clarification 

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on the tech, the tricks to make it work better, and if 

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there is any truth to the theories I've heard on why it 

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fails. This is what I learned. Let's start with how it 

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works. Face ID is packed into this little top zone here 

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It's what Apple calls the TrueDepth Camera System. It 

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scans the details of your face with infrared light, and 

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you cannot see the scan. Unless, that is, you have a 

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special camera. [ SOUND ] Ooh, spooky infrared mode. 

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So with Face ID, there are over 30, 000 dots of 

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infrared light being beamed to your face. And it 

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creates a map of the face, which is matched with a 

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face it has on file. This all happens in an instant, 

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and it is primarily checking the details around your 

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eyes, nose, and mouth. So that means it needs a clear 

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scan of everything in this zone And need your eyes 

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open and looking at the phone. So the big learning 

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curve here is well learning how to hold the phone, so 

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we can see you. This just takes more work than 

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skinnier fingerprint. If you're distracted, it's going to 

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fail. If you check it while eating, fail. Yawning, that's 

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a fail. If it's winter and your face is covered up Expect 

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a cold hard fail. Leaning in a chair to the side while 

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you're watching TV and checking your phone, that is a 

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fail. If you get a shocking text from your BFF and you 

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get dramatic and cover your mouth with your hands 

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and try to open the phone. Fail. The distance also 

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matters. Apple says 10 to 20 inches from your face is 

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the sweet spot. So, if you're checking your phone in 

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bed And it doesn't work, you probably have it too 

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close, or it's at a bad angle, or your pillow is in the 

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way. If you're using Apple Pay and you want to do it 

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fast, the trick is to scan your face when you're waiting 

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in line before you order. Double tap the side button. 

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And, then point it at your face then put the phone 

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down to your side, make your order and then tap the 

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NFC payments sensor like normal, that way you're not 

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fumbling looking like you're trying to take a selfie in 

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front of the register, and about the lighting for the 

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most part it doesn't matter, remember it's using 

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infrared light so, face scan can work in total darkness 

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Well, there is one kind of lighting that could give you 

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problems, if you're trying to unlock your phone while 

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the camera is pointed directly into the sun, 

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because the intense sunlight could throw off the IR 

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sensor. Which brings us To sunglasses. 

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Some work with face ID, and some do not. It's a tricky 

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problem, but if it is not working, then the sunglasses 

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are designed in a way that it's blocking the IR light 

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from scanning your eyes. Some people say polarized 

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lenses are the problem, but that's not always true. 

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Some polarized lenses work fine. It varies As 

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for your normal spectacles, well it shouldn't be a 

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problem. But if you are having a little trouble, give it 

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some time. Face ID gets better the more you use it and 

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it adapts to slight changes in your appearance. Let's 

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say you have a mustache, and you've been rocking it 

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for a while, but one day you suddenly decide to shave 

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it all off. You may get a request to enter in a passcode 

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to confirm it is really you. That's how the system 

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updates your face data. But sometimes, a passcode 

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request is there not because you changed, but 

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because it just didn't scan you right. Maybe the angle 

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was bad. You don't have to be slowed down by typing 

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in the code. Just give it a little dip. You want to dip the 

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phone back away from your face, and bring it forward 

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to try it again. Now, if it still cannot detect you after five 

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tries, It's gonna require a passcode. There's also 

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another trick you can try if you think you have bad luck 

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with face ID. IOS 12 lets you register a second look, an 

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alternate appearance. So 

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if your night look is drastic from your day look, maybe 

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this could help it fail on your less. Or you could use this 

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feature to allow someone else the ability to unlock your 

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phone, like a spouse. Now, if you do want to add a 

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second person, I'm told this is not going to mess up 

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your personal face ID experience. You're not going to 

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get more fails and the phone isn't merging the two 

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faces into one hybrid monster face identity. If you were 

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wondering about that sort of thing. Bottom line is if 

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you're new to face ID, the best advise is to just give it 

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time. Time for it to learn your face and time for you to 

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learn how it behaves and what angles work best. 

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Because when you do get a fail, the most likely reason 

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is you're holding it wrong.