Xiaomi Redmi Note 9 4G smartphone was launched on 26th November 2020. The phone comes with a 6.53-inch touchscreen display with a resolution of 1080x2340 pixels and an aspect ratio of 19.5:9.Xiaomi Redmi Note 9 4G comes with 4GB of RAM. The Xiaomi Redmi Note 9 4G runs Android 10 and is powered by a 6000mAh battery. The Xiaomi Redmi Note 9 4G supports proprietary fast charging.

As far as the cameras are concerned, the Xiaomi Redmi Note 9 4G on the rear packs a 48-megapixel primary camera with an f/1.79 aperture; a second 8-megapixel camera with an f/2.2 aperture and a third 2-megapixel camera with an f/2.4 aperture. It sports a 8-megapixel camera on the front for selfies, with an f/2.0 aperture.

The Xiaomi Redmi Note 9 4G runs MIUI 12 based on Android 10 and packs 128GB of inbuilt storage that can be expanded via microSD card (up to 512GB) with a dedicated slot. The Xiaomi Redmi Note 9 4G is a dual-SIM smartphone that accepts Nano-SIM and Nano-SIM cards. The Xiaomi Redmi Note 9 4G measures 162.30 x 77.20 x 9.60mm (height x width x thickness) and weighs 198.00 grams. It was launched in Smoke Wave Blue, Misty Green, and and Feather Black colours.

Connectivity options on the Xiaomi Redmi Note 9 4G include Wi-Fi 802.11 a/b/g/n, GPS, Bluetooth v4.20, Infrared, USB Type-C, FM radioWi-Fi Direct, 3G, and 4G. Sensors on the phone include accelerometer, ambient light sensor, and fingerprint sensor. The Xiaomi Redmi Note 9 4G supports face unlock.