It seems important to include the word ultrasonic in the title. The fingerprint reader is not a new option, but the ultrasonic device is. As the name implies, it boasts better speed and security. Between this one and face reader, which one do you prefer?
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I think it's important to highlight the under-screen reader. Since Samsung has gone full screen for the front part, it sounds strange that they add it back again. I wonder if there are many errors with the face reader system. I don't see how... See more