sin slotIn case yor computer doesn't have a LTE card installed on the M.2 slot as a A SIM card without a LTE card is useless., by default HP puts a piece of plastic in the SIM card slot inTo open the SIM card slot on your iPhone, push the SIM card ejector tool (or a paperclip) into the pinhole on the side of your iPhone. With enough firmness, the SIM card