Hands-on with vivo's in-display fingerprint scanner

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Vivo has worked in conjunction with Synaptics to make the first smartphone with a fingerprint scanner integrated into its display. The company just unveiled the near-final product and we were shown a demo unit at CES. This gives us a good idea of what we can expect from the new fingerprint solution. Vivo first showed off its under-screen fingerprint technology back in MWC Shanghai 2017. The prototype shown then relied of ultrasonic signals to transmit the fingerprint from over the glass to the sensor underneath. The near-final design uses an optical signal so the sensor can see right...

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