Electronic device for recognizing erroneous insertion of card, and operating method thereof

An electronic device comprising:

• a socket provided within the electronic device for receiving a card-type external device having a cut-out portion formed in a corner of the card-type external device;
• a detection unit for detecting erroneous insertion of the card-type external device into the socket according to incorrect location of the cut-out portion during insertion of the card-type external device;
• and
• a processor for outputting a control signal in response to the erroneous insertion of the card-type external device;
• wherein the detection unit comprises at least one photo sensor performing detection by using the cut-out portion of the card-type external device to pass light for correct insertion detection.

A method for detecting erroneous insertion of a card-type external device into a socket of an electronic device, comprising:

• detecting that the card-type external device is erroneously inserted in the socket;
• and
• in response to detecting that the card-type external device is erroneously inserted, swapping a first terminal of the socket with a second terminal of the socket, the swapping including:
• (i) electrically decoupling the first terminal of the socket from a first terminal of a control unit and electrically coupling the first terminal of the socket to a second terminal of the control unit, and (ii) electrically decoupling the second terminal of the socket from the second terminal of the control unit and electrically coupling the second terminal of the socket to the first terminal of the control unit.