The present invention relates to a method for unlocking a smartphone and, more particularly, to a method for unlocking a smartphone without touching a hand. According to the present invention, a method of recognizing a hand gesture pattern of a user and unlocking a smartphone allows a front camera (100) of the smartphone to recognize the hand gesture pattern (101) of the user and uses an existing iris recognition or face recognition sensor (102) to increase security.;COPYRIGHT KIPO 2020
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