Qualcomm 3D Sonic Sensor Gen 2 Ultrasonic Fingerprint Reader Unveiled, May Debut on Samsung Galaxy S21 Series Qualcomm’s 3D Sonic Sensor Gen 2 is claimed to capture 1.7 times more biometric data than its previous generation. By Jagmeet Singh | Updated: 12 January 2021 16:30 IST Photo Credit: Qualcomm Highlights The new fingerprint sensor has 8x8mm of scanning area Qualcomm’s new sensor could be a part of foldable phones Qualcomm 3D Sonic Sensor Gen 2 has been launched as a new ultrasonic fingerprint scanner for smartphones. The new sensor is claimed to deliver up to 50 percent faster screen-unlocking experience and with 77 percent larger area when compared to the previous generation. The sensor is also capable of recognising fingerprint patterns of users even when the fingers are wet. The first generation of Qualcomm's 3D Sonic Sensor debuted on existing Samsung Galaxy flagship phones, including the Galaxy S20 and Galaxy Note 20. Thus, it makes sense for the San Diego-based company to introduce the 3D Sonic Sensor Gen 2 on the next-generation Galaxy S series that is expected to be called the Galaxy S21.