At the exhibition in MWC 2017 was introduced to the world's first smartphone, with a fingerprint scanner, which is located in the display. The company did not begin to publicize its new technology, and made a special video, which clearly shows how this works. The fingerprint scanner itself is in the display itself, it also affects its speed, in 1 second it will be able to recognize and unlock your device.
When the device will be released to the world market is not yet known, the price category is also not disclosed, but as Vivo answers, the price category will not far exceed the usual crazy devices. At this time, it is known that this technology works with a small number of mobile processors, and only on OLED displays. Waiting for the official announcement!