The Pixel 9 series is now rumored to adopt an ultrasonic fingerprint sensor. Since the Pixel 6’s switch to an under-display fingerprint sensor, people have complained about unlock performance being a regression from the days of Pixel Imprint. Performance has improved over the years, but the Pixel 9 series is now rumored to adopt an ultrasonic fingerprint sensor.
My current phone has the power button/print scanner on the side, just below the volume controls. It’s pretty convenient, my thumb slips right onto it, but the smaller area does have its downsides, like I have to make sure to line it up just like one of ways it checked for when setting up.