
Samsung was the only major brand to use Qualcomm’s first-generation Ultrasonic in-display fingerprint reader. However, its performance wasn’t top-notch due to the sensor’s small size and slow recognition speed. Qualcomm has now unveiled its second-generation fingerprint reader called the 3D Sonic Sensor Gen 2, which could end up inside the Galaxy S21 series.
Qualcomm’s newly-announced ultrasonic...