Fingerprint scanner OnePlus 6T accelerates over time

A growing number of smartphones are getting a fingerprint scanner built into the screen. The speed of its operation differs from model to model, several factors affect the efficiency of the scanner. As explained by the developers of OnePlus 6T, their smartphone uses technology that allows it to reduce the sensor response time over time.

The algorithm, which allows to increase the speed of the sensor, is simple : during each sensor response, after which the smartphone is unlocked, the system adds additional fingerprint elements to the database that were not previously registered in the database. Therefore, after some time, the scanner starts to operate faster than immediately after starting to use OnePlus 6T.

They also told the company why they chose green instead of white, like many other manufacturers, to use the smartphone to illuminate the scanner: supposedly the green light helps to read the drawing more clearly.

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