In fact, the fingerprint sensor -- made by sensor company Synaptics -- lives beneath the 6-inch OLED display. That's the "screen" you're actually looking at beneath the cover glass.
When your fingertip hits the target, the sensor array turns on the display to light your finger, and only your finger. The image of your print makes its way to an optical image sensor beneath the display.
It's then run through an AI processor that's trained to recognize 300 different characteristics of your digit, like how close the ridges of your fingers are. It's a different kind of technology than what most readers use in today's phones.
Watch the video here:
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