Google to implement ultrasonic fingerprint reader in Pixel 9

Google Pixels have had their fair share of issues in the past, including outdated camera sensors, lack of ultrawide cameras, non-uniform bezels, and slow charging speeds that persisted across generations.

Fortunately, Google has addressed these issues over time. The upcoming Pixel 9 series aims to resolve another long-standing problem with Pixel phones — the under-display fingerprint sensor that is sometimes slow and unreliable. According to a source familiar with the matter at Android Authority, Google plans to implement an ultrasonic fingerprint scanner in their future devices.

Google made the switch to under-display fingerprint scanners with the Pixel 6, moving away from traditional rear-mounted sensors. However, the initial switch did not go smoothly, with users experiencing unlock speed and reliability issues. While subsequent updates and newer Pixel models have somewhat improved the situation, unlocking remains slower compared to other devices in the market.

The main issue stemmed from Google’s choice of an optical fingerprint scanner from Goodix, unlike its competitors who were using ultrasonic scanners. Optical scanners are known to be slower, less precise, and more susceptible to moisture or dirt on the finger. Additionally, in low-light conditions, optical scanners require a bright light on the screen, potentially causing discomfort to users.

With the Pixel 9, Google is finally switching to an ultrasonic fingerprint scanner, specifically Qualcomm’s 3D Sonic Gen 2 (QFS4008), the same model as the Samsung Galaxy S24 Ultra. Samsung’s use of fingerprint scanners has been well-received, indicating a positive change for Google’s upcoming devices.

While unlocking speed depends on various factors besides hardware, an ultrasonic sensor is generally considered superior to an optical sensor.

The new ultrasonic fingerprint scanner will be a part of all Pixel 9 variants, excluding the Fold model, which retains its fingerprint scanner in the power button. Google has announced that the Pixel 9 series will be unveiled on August 13, so the launch is just around the corner.

What are your thoughts on the upgraded fingerprint scanner in the Pixel 9? Share your opinions in the comments.