We’ve been hearing for some time now that Apple is working on an all-glass front for next year’s iPhone, with the Home button and Touch ID sensor built into the display itself. The touch-sensitive Home button on the iPhone 7 is likely intended as a stepping stone toward that goal, and an Apple patent published back in May described the technology Apple is most likely to adopt: ultrasonic imaging.
Demonstrating that this is not just a concept but technology that works in the real world, Chinese brand Xiaomi has today launched a new phone that uses that exact type of embedded fingerprint reader. The mi 5s and mi 5s Plus both use an ultrasonic fingerprint reader built into the glass …
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