A new report suggests that Samsung will let users unlock their Galaxy S21 smartphones via Bixby Voice. The feature is expected to remain exclusive to One UI 3.1 for some time. We should know more about how it works once Samsung unveils the smartphones in January 2021.
https://www.notebookcheck.net/Samsung-Galaxy-S21-series-might-allow-users-to-unlock-their-devices-using-Bixby-Voice.506041.0.html