It has a fingerprint sensor on the back but I didn't try it yet Yes the Redmi 9 does have a fingerprint sensor Yes plus a lot more Really good phone great value.... Getting alot for your money It does yes, it's right underneath the third lens of the camera, nicely hidden Yes, on the back under the camera Yes, it have. Yes ,it does.####[['fingerprint sensor', 'System#Lock Screen Design', 'neutral'], ['fingerprint sensor', 'System#Lock Screen Design', 'positive'], ['phone', 'Overall#Overall', 'positive'], ['value', 'Price#Value for Money', 'positive']]