"Hi Anish, Galaxy M51 supports solid security feature 'Fingerprint sensor' (Side mounted). Hope this is of help. Regards, Samsung India" Yes "Hi Anish, Galaxy M51 supports solid security feature 'Fingerprint sensor' (Side mounted). Hope this is of help. Regards, Samsung India" The question is unclear. However I can confirm this phone has finger print lock security.####[["feature 'Fingerprint sensor'", 'Security#Screen Unlock', 'positive'], ["feature 'Fingerprint sensor'", 'Security#Screen Unlock', 'positive'], ['finger print lock security', 'System#Lock Screen Design', 'positive']]