Xiaomi Mi A3 smartphone was launched on 17th July 2019. The phone comes with a 6.08-inch touchscreen display with a resolution of 720x1560 pixels and an aspect ratio of 19.5:9.

Xiaomi Mi A3 is powered by a 2GHz octa-core Qualcomm Snapdragon 665 processor. It comes with 4GB of RAM.

The Xiaomi Mi A3 runs Android 9.0 and is powered by a 4,030mAh battery. The Xiaomi Mi A3 supports Quick Charge 3.0 fast charging.

As far as the cameras are concerned, the Xiaomi Mi A3 on the rear packs a 48-megapixel primary camera with an f/1.79 aperture and a pixel size of 1.6-micron; a second 8-megapixel camera with an f/2.2 aperture and a third 2-megapixel camera. The rear camera setup has autofocus. It sports a 32-megapixel camera on the front for selfies, with an f/2.0 aperture and a pixel size of 1.6-micron.

Xiaomi Mi A3 based on Android 9.0 and packs 64GB of inbuilt storage that can be expanded via microSD card (up to 256GB). The Xiaomi Mi A3 is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards.

Connectivity options on the Xiaomi Mi A3 include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5.00, Infrared, USB Type-C, FM radio, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, gyroscope, proximity sensor, and fingerprint sensor. The Xiaomi Mi A3 supports face unlock.

The Xiaomi Mi A3 measures 153.48 x 71.85 x 8.50mm (height x width x thickness) and weighs 173.80 grams. It was launched in Not Just Blue, More Than White, and Kind of Gray colours.