Redmi Note 9T smartphone was launched on 8th January 2021. The phone comes with a 6.53-inch touchscreen display with a resolution of 1080x2340 pixels and an aspect ratio of 19.5:9. Redmi Note 9T is powered by an octa-core MediaTek Dimensity 800U processor. It comes with 4GB of RAM. The Redmi Note 9T runs Android 10 and is powered by a 5000mAh battery. The Redmi Note 9T supports proprietary fast charging.

As far as the cameras are concerned, the Redmi Note 9T 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 2-megapixel camera with an f/2.4 aperture and a pixel size of 1.75-micron and a third 2-megapixel camera with an f/2.4 aperture and a pixel size of 1.75-micron. The rear camera setup has autofocus. It sports a 13-megapixel camera on the front for selfies, with an f/2.25 aperture and a pixel size of 1.12-micron.

The Redmi Note 9T runs MIUI 12 based on Android 10 and packs 64GB of inbuilt storage that can be expanded via microSD card (up to 256GB). The Redmi Note 9T is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Redmi Note 9T measures 161.96 x 77.25 x 9.05mm (height x width x thickness) and weighs 199.00 grams. It was launched in Daybreak Purple and Nightfall Black colours.

Connectivity options on the Redmi Note 9T include Wi-Fi 802.11 a/b/g/n/ac, GPS, NFC, Infrared, USB Type-C, Wi-Fi Direct, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor. The Redmi Note 9T supports face unlock.