The Samsung Galaxy S21 will advance beyond its predecessors with new tech and newer versions of old tech. One example of this upgrade system is the fingerprint sensor, which today we’ve learned will be both larger and faster than that of the Galaxy S20. This fingerprint scanner will continue to be housed on the front of the device, within the display.
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https://www.slashgear.com/galaxy-s21-secret-weapon-is-big-fast-only-needs-a-tap-09650463/