Pixel 9 series to ditch optical sensor for an ultrasonic fingerprint sensor

, the Pixel 9 and 9 Pro will replace the current optical sensor in favor of an ultrasonic fingerprint reader. The Pixel 9 Pro Fold, however, is expected to maintain its side-mounted capacitive sensor.

Unlike optical sensors that rely on light and can be hampered by screen protectors, ultrasonic sensors can create a more detailed “reproduction” of the fingerprint ridges and valleys, leading to faster and more reliable unlocking. Additionally, the QFS4008 is claimed to be faster than previous solutions, particularly when fingers are wet – a common pain point for optical sensors. It’s the same sensor used on the

While Google made improvements with the Pixel 6a sensor, limitations like a reduced number of registerable fingerprints remained.

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