Redmi Note 11S 5G mobile was launched on 29th November 2021. The phone comes with a 90 Hz refresh rate 6.60-inch touchscreen display offering a resolution of 1080x2400 pixels (FHD+) and an aspect ratio of 20:9. Redmi Note 11S 5G is powered by an octa-core MediaTek Dimensity 810 processor. It comes with 6GB of RAM. The Redmi Note 11S 5G runs Android 11 and is powered by a 5000mAh battery. The Redmi Note 11S 5G supports proprietary fast charging.

As far as the cameras are concerned, the Redmi Note 11S 5G on the rear packs a triple camera setup featuring a 50-megapixel (f/1.8) primary camera; an 8-megapixel (f/2.2) camera, and a 2-megapixel (f/2.4) camera. The rear camera setup has autofocus. It has a single front camera setup for selfies, featuring a 13-megapixel sensor with an f/2.4 aperture.

The Redmi Note 11S 5G runs MIUI 13 is based on Android 11 and packs 64GB of inbuilt storage that can be expanded via microSD card (up to 1000GB). The Redmi Note 11S 5G is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Redmi Note 11S 5G measures 163.56 x 75.78 x 8.75mm (height x width x thickness) and weighs 195.00 grams. It was launched in Midnight Black, Star Blue, and Twilight Blue colours.

Connectivity options on the Redmi Note 11S 5G include Wi-Fi, GPS, Bluetooth v5.10, NFC, Infrared, USB Type-C, FM radio, 3G, 4G (with support for Band 40 used by some LTE networks in India) , and 5G. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor.