A hinge apparatus for a portable communication device having a body, a folder, and a rotary hinge module mounted between the body and the folder. The hinge apparatus includes at least one gear hinge part for opening and closing the body and the folder on a first hinge axis. The hinge apparatus also includes a hinge connection part for coupling the at least one gear hinge part to the rotary hinge module. The rotary hinge module allows for rotation of the folder about a second hinge axis perpendicular to the first hinge axis.