A folder type mobile having a main body and a folder coupled to each other through a hinge coupling section, the hinge coupling section comprising a first hollow cylinder for rotating the folder in a first direction, a second hollow cylinder coupled to a side surface of the first hollow cylinder for rotating the folder in a second direction, a dummy hinge shaft located in the first hollow cylinder, and a rotational shaft located in the second hollow cylinder, the rotational shaft engaging the dummy hinge shaft and capable of being rotated in the second direction when the rotational shaft is rotated in the first direction about the dummy hinge shaft at an angle in a predetermined angle range.