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Realme C21Y mobile was launched on 14th July 2021. The phone comes with a 6.50-inch touchscreen display offering a resolution of 720x1600 pixels and an aspect ratio of 20:9. Realme C21Y is powered by an octa-core Unisoc T610 processor. It comes with 3GB, 4GB of RAM. The Realme C21Y runs Android 11 and is powered by a 5000mAh battery. The Realme C21Y supports proprietary fast charging.
As far as the cameras are concerned, the Realme C21Y on the rear packs a triple camera setup featuring a 13-megapixel (f/2.2) primary camera; a 2-megapixel (f/2.4) 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 5-megapixel sensor with an f/2.4 aperture.
The Realme C21Y runs Realme UI is based on Android 11 and packs 32GB, 64GB of inbuilt storage that can be expanded via microSD card (up to 256GB) with a dedicated slot. The Realme C21Y is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Realme C21Y measures 164.50 x 76.00 x 9.10mm (height x width x thickness) and weighs 200.00 grams. It was launched in Cross Black and Cross Blue colours.
Connectivity options on the Realme C21Y include Wi-Fi, GPS, Bluetooth v5.00, Micro-USB, 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, proximity sensor, and fingerprint sensor.
As of 28th March 2025, Realme C21Y price in India starts at Rs. 7,499.
| Product Name | Price in India |
|---|---|
| Realme C21Y (3GB RAM, 32GB) - Cross Black | ₹ 7,499 |
| Realme C21Y (4GB RAM, 64GB) - Cross Blue | ₹ 7,950 |
| Realme C21Y (4GB RAM, 64GB) - Cross Black | ₹ 8,390 |
| Realme C21Y (3GB RAM, 32GB) - Cross Blue | ₹ 8,990 |
Realme C21Y price in India starts from ₹ 7,499. The lowest price of Realme C21Y is ₹ 7,499 at Flipkart on 28th March 2025.
| Brand | Realme |
| Model | C21Y |
| Price in India | ₹7,499 |
| Release date | 14th July 2021 |
| Launched in India | Yes |
| Form factor | Touchscreen |
| Dimensions (mm) | 164.50 x 76.00 x 9.10 |
| Weight (g) | 200.00 |
| Battery capacity (mAh) | 5000 |
| Fast charging | Proprietary |
| Colours | Cross Black, Cross Blue |
| Screen size (inches) | 6.50 |
| Touchscreen | Yes |
| Resolution | 720x1600 pixels |
| Aspect ratio | 20:9 |
| Processor | octa-core |
| Processor make | Unisoc T610 |
| RAM | 3GB, 4GB |
| Internal storage | 32GB, 64GB |
| Expandable storage | Yes |
| Expandable storage type | microSD |
| Expandable storage up to (GB) | 256 |
| Dedicated microSD slot | Yes |
| Rear camera | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) |
| No. of Rear Cameras | 3 |
| Rear autofocus | Yes |
| Rear flash | Yes |
| Front camera | 5-megapixel (f/2.4) |
| No. of Front Cameras | 1 |
| Operating system | Android 11 |
| Skin | Realme UI |
| Wi-Fi | Yes |
| GPS | Yes |
| Bluetooth | Yes, v 5.00 |
| Micro-USB | Yes |
| Headphones | 3.5mm |
| Number of SIMs | 2 |
| SIM 1 | |
| SIM Type | Nano-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | Yes |
| Supports 4G in India (Band 40) | Yes |
| SIM 2 | |
| SIM Type | Nano-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | Yes |
| Supports 4G in India (Band 40) | Yes |
| Fingerprint sensor | Yes |
| Compass/ Magnetometer | Yes |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | Yes |
Realme C21Y
₹7,499
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