The HTC One A9 is constructed of a unibody aluminum frame with brushed metal backing. It is equipped with a 13.0-megapixel BSI rear-facing camera along with optical image stabilization, ƒ/2.0 aperture and dual-LED tone flash. The front facing camera has an UltraPixel image sensor, designed to work well in low-light environments. The camera offers a pro-mode where the user can adjust the ISO, shutter speed and the white balance the camera is also capable of capturing images in RAW format. The rear and front cameras can record videos at 1080p.