As a teardown has revealed, the Galaxy S24 Ultra is using a newer ultrasonic fingerprint sensor from Qualcomm. Under-display fingerprint sensors come in two main varieties.

One UI 7 will fix slow fingerprint unlock on the Galaxy S24 series, making It faster than ever and also giving it a new sound effect.

The fingerprint sensor on Galaxy S23 series devices isn't working properly following the One UI 6.1 update for many users.