The brand new Google Pixel 6 pair is plagued by unresponsive fingerprint scanners. The optical under-display sensor on both phones has been criticized for being slow and unreliable by users across the web but Google doesn’t seem to think it's a problem. An official statement by the Made by Google Twitter account claims the “enhanced security algorithms” are to blame as they may take longer to authenticate users’ fingerprints. We're sorry for the hassle. The Pixel 6 fingerprint sensor utilizes enhanced security algorithms. In some instances, these added protections can take longer to verify...
Source: https://www.gsmarena.com/google_says_pixel_6_fingerprint_scanner_is_slow_due_to_increased_security_-news-51746.php