Vivo is showing off a working in-screen fingerprint scanner prototype, courtesy of new Qualcomm tech

We were wrong – Chinese phone manufacturer Vivo won't, in fact, be the first to put out a device with an in-screen fingerprint scanner, though it most certainly is the first to openly display a prototype. At this year's MWC Shanghai, which taking place right now, the company showed off the first implementation of Qualcomm's just-announced in-screen ultrasonic scanner technology.

Vivo demonstrated the new tech with a couple of prototypes, one based on the current Xplay6 (seen above) with the scanner embedded under the screen, and another with it behind ...