Method of authenticating user of electronic device, and electronic device for performing the same

A method of an electronic device, the method comprising:

• while the electronic device is in a locked state, detecting that the electronic device is lifted;
• in response to detecting that the electronic device is lifted while the electronic device is in the locked state and a display of the electronic device is inactivated, activating the display to display a locking screen on the display, obtaining an image from a camera, detecting a face included in the obtained image, and performing an authentication of a user based on the face being detected in the obtained image;
• and
• based on a result of the authentication being successful, switching a state of the electronic device from the locked state to an unlocked state.

A non-transitory computer-readable storage medium configured to store one or more computer programs including instructions that, when executed by at least one processor of an electronic device, cause the at least one processor to control for:

• while the electronic device is in a locked state, detecting that the electronic device is lifted;
• in response to detecting that the electronic device is lifted while the electronic device is in the locked state and a display of the electronic device is inactivated, activating the display to display a locking screen on the display, obtaining an image from a camera, detecting a face included in the obtained image, and performing an authentication of a user based on the face being detected in the obtained image;
• and
• based on a result of the authentication being successful, switching a state of the electronic device from the locked state to an unlocked state.