The doul SIM(Nano) Xiaomi Mi A2 runs stock Android 8.1 Oreo(based on Android One), and sports a 5.99-inch full-HD+(1080x2160 pixels) display with an 18:9 aspect ratio. It is powered by an octa-core Qualcomm Snapdragon 660 SoC, paired with 4GB/ 6GB of RAM and 64GB/ 128GB of onboard storage, correspondingly.
In terms of optics, the Xiaomi Mi A2 sports a dual rear camera setup with a 12-megapixel Sony IMX486 primary sensor, with f/1.75 aperture and 1.25-micron pixel size, and a 20-megapixel IMX376 sensor with 2-micron pixel size, 4-in-1 Super Pixel tech, and the same f/1.75 aperture. On the front, the smartphone bears a 20-megapixel selfie camera with softlight LED flash. There is a 3, 000mAh battery under the hood, with support for Quick Charge 4+.