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Touch ID is a fingerprint recognition feature, designed and released by Apple Inc., and is currently available on iPhones since iPhone 5S, as well as iPads since iPad Air 2 and the MacBook Pro. In 2015, Apple introduced the faster second generation Touch ID beginning with the iPhone 6S, and later to the Macbook Pro in 2016.

iPhone 5S home button with integrated Touch ID feature

Touch ID is a fingerprint recognition feature, designed and released by Apple Inc., and is currently available on iPhones since iPhone 5S, as well as iPads since iPad Air 2 and the MacBook Pro. In 2015, Apple introduced the faster second generation Touch ID beginning with the iPhone 6S, and later to the Macbook Pro in 2016.

Touch ID allows users to unlock Apple devices, make purchases in the various Apple digital media stores (the iTunes Store, the App Store, and the iBookstore), and authenticate Apple Pay online or in apps. On announcing the feature, Apple stated that fingerprint information is stored locally in a secure enclave on the Apple A7 and later chips, and is not stored in the cloud, making it very difficult for external access.

CNET News - Apple demos Touch ID fingerprint reader for iPhone 5S

http://cnet.co/15PterA Apple's Phil Schiller announces a new fingerprint scanner, called the Touch ID sensor, which is integrated into the home button of the ...

why your iphone might be getting the "Touch ID Failed" error

on this specific model and version, i was getting touch id failed when i changed to an aftermarket screen. as soon as i got the original lcd fixed, the touch id was ...

Face ID vs Touch ID - Why Face ID comes out on top!

AppleInsider compares Apple's new Face ID biometric security system on iPhone X against its fingerprint-based Touch ID predecessor. Is Face ID more secure?

Testing Apple's Touch ID with Fake Fingerprints

Support videos like this -- and get a free gift -- by becoming a Tested Premium Member: http://tested.com/membership How secure is Apple's Touch ID?

Why 'Touch ID' will come back to iPhone

SPONSOR: Go to http://brilliant.org/vector and sign up for free. First 200 people get 20% the premium course! SUBSCRIBE: ...

Will the iPhone 11 bring back Touch ID?

Apple's latest patent holds clues about what the company has in mind for Touch ID and the AirPods 3 earbuds may go into production sooner than we thought.