Oppo A55 sports a 6.51-inch HD+ display with a 1600 x 720-pixel resolution. It is powered by the MediaTek Helio G35 SoC paired with up to 6GB of RAM along with up to 128GB of internal storage expandable up to 256GB via a microSD card. The device runs Google’s Android 11 operating system with the company’s own ColorOS 11.1 skin on top. Oppo A55 sports a triple camera setup on the back consisting of a 50-megapixel primary sensor, paired with a 2-megapixel depth sensor and a 2-megapixel macro lens. At the front, it features a 16-megapixel selfie camera.