SEE THE WORLD'S FIRST ON-SCREEN FINGERPRINT SENSOR SMART PHONE.

It is no longer rumour, its official as vivo unveils the world's first ever on-screen finger print sensor smart phone, beating other smart phone giants like Samsung and iPhone.
Before now, most smart phones usually have a dedicated fingerprint sensor either at the front or back of the device.
With this there will be no need for a home button also serving as a sensor, occupying your phone's screen.

HOW IT WORKS
The sensor is just like all other sensors, but its hidden just behind the screen glass. When your finger hits the target, then the sensor array turns on to light your finger, image of your print is sent to the sensor beneath the screen.
It then run through an Al processor that is trained to recognise your finger print.
This is indeed a beginning of a new era in smart phones.

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