Evolution of Fingerprint Technology in Smartphones The optical under-display fingerprint sensor is currently the most common fingerprint solution, known for its fast and sensitive recognition speed with decent accuracy. It has been widely adopted by many smartphone manufacturers. OnePlus and Xiaomi have been extensively using optical fingerprints. However, according to sources, the upcoming OnePlus 13 … Continue reading Xiaomi 15/OnePlus 13 to Use Ultrasonic Fingerprint →