Google Pixel 9 series will feature an ultrasonic under-display fingerprint scanner.

The Pixel 6 was the first Google device where the company started using Goodix's under-display optical fingerprint scanners. However, at release, users reported issues with both unlock speed and scanning reliability. Though things have improved somewhat in subsequent updates and in the next Pixel generations, the fingerprint scanner performance in current Pixel devices still leaves a lot to be desired.

According to Android Authority, Google will finally switch to an ultrasonic fingerprint scanner in the Pixel 9 series devices (except Fold with FP in power button), namely Qualcomm's 3D Sonic Gen 2 (QFS4008) — the exact same model found in the Samsung Galaxy S24 Ultra.

Ultra sonic scanners tend to work better and faster than optical scanners, so this change in the new devices will improve the user experience when unlocking a smartphone.

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