An electronic device is provided. The electronic device includes a housing including a first surface, a second surface, and a side plate surrounding part of a space between the first surface and the second surface, a display disposed in the housing, a first plate attached to or integrated into the display, a second plate facing in the third direction and positioned adjacent to the side plate, a flexible printed circuit board (FPCB) including a first planar portion coupled to the first plate, and a second planar portion coupled to the second plate and angled from the first planar portion, a printed circuit board (PCB) interposed between the display and the second surface, and a mid-plate disposed in the housing, wherein the second planar portion of the FPCB is interposed between a side surface of the mid-plate and the second plate separated from each other by a gap.