Socket for micro subscriber identification module card

A micro SIM card socket is equipped with an insulator housing, wherein the SIM card is installed; a metal shell, connected to the housing at a constant distance from the housing, that guides the insertion of the SIM card; multiple contact terminals, supported by the housing, one end of which is connected to the contact terminal of the SIM card and the other end of which is fixed to the printed circuit board; a locking unit installed on the side of the housing in order to selectively fix the insertion point of the SIM card, having a curve-shaped pressure pin, at the end of the unit, putting pressure to the edge of the SIM card; a detect terminal installed in the housing in order to detect the insertion of the SIM card and that is pressured by the pressure pin, located in proximity of the pressure pin, when the SIM card is inserted; and a switch terminal that elastically contacts the detect terminal.