Google’s upcoming Pixel 9 lineup is reportedly set to feature a faster and more reliable ultrasonic fingerprint scanner. Android AuthorityIt would replace the optical under-display fingerprint sensor introduced by Google on the Pixel 6 with new technology capable of reading even wet or oily fingerprints.
The switch might also solve the problem a few of the widespread problems Users have been experiencing issues unlocking their Pixel devices, with some claiming that light levels and dry fingers can impact the reliability of the previous optical reader. Optical scanners are the oldest method of reading fingerprints. They work by flashing a light against the user’s finger and then visually detecting patterns and ridges on the surface, meaning any changes like dirt or blemishes can interfere with the process.
Ultrasonic sensors, on the other hand, read fingerprints more accurately by bouncing ultrasonic pulses off them, which also prevents users from being blinded if they need to unlock their phone at night. According to reliable source Kamila Wojciechowska, the Pixel 9 will use Qualcomm’s 3D Sonic Gen 2 (QFS4008), the same model found on the Pixel 9. Samsung Galaxy S24 Ultra.
