As magical as fingerprint on displays or FoDs might sound, they are not so different from their regular optical sensor counterparts. They are practically just cameras and the real magic actually lies more in the display that lets the light through. That said, not all FoDs are created equal and OnePlus’ first attempt at one deserves closer inspection. Zack Nelson dives into the OnePlus 6T to uncover its secrets and notes how it might bode well for future under-screen selfie cameras as well.
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https://www.slashgear.com/oneplus-6t-teardown-reveals-under-screen-camera-secrets-08553080/