If you are searching for an affordable smartphone that balances essential features with reliable performance, the realme C21 stands out as a smart choice. This device is designed for users who want value without compromise, making it ideal for students, young professionals, or anyone seeking a dependable everyday phone. The realme C21 details reveal a large 6.5-inch HD+ display that delivers vibrant visuals for streaming, browsing, and gaming. Powered by the MediaTek Helio G35 processor, it ensures smooth multitasking and steady performance for daily tasks.
One of the main realme C21 features is its robust 5,000 mAh battery, which supports extended usage and reverse charging, so you can power up other devices on the go. The triple rear camera system, led by a 13MP AI main sensor, lets you capture clear photos in various lighting conditions, while the 5MP front camera is perfect for selfies and video calls. With options for up to 4GB RAM and 64GB storage, expandable via a dedicated microSD slot, the realme C21 spec sheet covers all your storage needs.
The device runs on realme UI based on Android 10, offering a user-friendly interface. The realme C21 price makes it a compelling option for budget-conscious buyers, delivering a premium feel without the high cost. If you want to explore more about the realme C21, you can check the realme C21 page for further details and insights.
realme C21 - Key specs
The realme C21 offers a blend of essential features and reliable performance, making it a practical choice for everyday use. Its large display, powerful battery, and versatile camera setup ensure you stay connected, entertained, and productive throughout the day.
Specification
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Details
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Display
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6.5-inch HD+ (1600 x 720 pixel)
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RAM
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3GB / 4GB
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Storage
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32GB / 64GB (expandable)
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Front camera
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5MP
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Rear cameras
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13MP + 2MP + 2MP
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Battery capacity
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5,000 mAh
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OS
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Android 10, realme UI
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Release status
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Released
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Release date
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8 April 2021
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realme C21 - Full specifications and features
The realme C21 is packed with features that cater to everyday needs, combining performance, style, and affordability. Below, you will find a detailed breakdown of its specifications and features, helping you make an informed decision.
General
The realme C21 is built for durability and ease of use, with a lightweight design and comfortable grip. It features a plastic back and frame, making it sturdy for daily handling. The device supports dual nano-SIMs and a dedicated microSD slot for expanded storage.
Feature
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Details
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Dimensions
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165.2 mm x 76.4 mm x 8.9 mm
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Weight
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190 g
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SIM
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Dual nano-SIM + microSD
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Colours
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Cross Black, Cross Blue
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Build
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Plastic back and frame
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Also check: Slim and lightweight mobiles
Display
The 6.5-inch HD+ IPS LCD display offers a comfortable viewing experience with vibrant colours and good brightness. The screen-to-body ratio of nearly 90% ensures an immersive feel, ideal for watching videos and browsing.
Feature
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Details
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Size
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6.5-inch
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Resolution
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1600 x 720 pixel
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Type
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IPS LCD
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Brightness
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400 nits (typical)
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Screen-to-body ratio
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89.5%
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Also check: Curved display mobile phones
Hardware
Powered by the MediaTek Helio G35 processor, the realme C21 handles multitasking and light gaming with ease. It is available in 3GB and 4GB RAM variants, with storage options of 32GB and 64GB, expandable up to 256GB via microSD.
Feature
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Details
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Processor
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MediaTek Helio G35
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RAM
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3GB / 4GB
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Storage
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32GB / 64GB (expandable)
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Battery
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5,000 mAh
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Charging
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10 W, reverse charging
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Also check: 6GB RAM mobiles
Camera
The realme C21 features a triple rear camera setup with a 13MP main sensor, 2MP macro, and 2MP depth sensor. The AI-powered camera supports night mode, HDR, and various creative filters. The 5MP front camera is suitable for selfies and video calls.
Feature
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Details
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Rear cameras
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13MP (main) + 2MP (macro) + 2MP (depth)
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Front camera
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5MP
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Video recording
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1080p @ 30fps
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Camera features
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Night mode, HDR, Portrait, Macro
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Also check: Camera phones
Software
Running on realme UI based on Android 10, the realme C21 delivers a clean, intuitive interface with useful features like app cloning, dark mode, and gesture navigation. Regular updates ensure smooth operation and security.
Feature
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Details
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OS
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Android 10
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UI
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realme UI
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Updates
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Security and feature updates
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Also check: Android 14 mobile phones
Connectivity
The realme C21 supports essential connectivity features, ensuring reliable network access and smooth communication. Its dual SIM capability and efficient Wi-Fi standards make it a dependable choice for everyday connectivity needs.
Specification
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Details
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Wi-Fi
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Yes
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Wi-Fi standards supported
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802.11 b/g/n
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GPS
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Yes
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Bluetooth
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Yes, v5.0
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NFC
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No
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USB Type-C
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No
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Headphones
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3.5mm
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Number of SIMs
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2
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Also check: Upcoming 5G mobile phones
SIM 1
The first SIM slot supports fast 4G networks, allowing users to browse, stream, and communicate seamlessly.
Specification
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Details
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SIM type
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Nano-SIM
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GSM/CDMA
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GSM
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3G
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Yes
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4G/LTE
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Yes
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Supports 4G in India (Band 40)
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Yes
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SIM 2
The second SIM slot enables dual SIM functionality, making it convenient for users to manage personal and work contacts on a single device.
Specification
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Details
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SIM type
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Nano-SIM
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GSM/CDMA
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GSM
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3G
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Yes
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4G/LTE
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Yes
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Supports 4G in India (Band 40)
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Yes
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Sensors
The device is equipped with essential sensors, including a rear-mounted fingerprint sensor for security, accelerometer, proximity sensor, ambient light sensor, and compass, enhancing usability and safety.
Feature
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Details
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Fingerprint sensor
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Yes (rear-mounted)
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Accelerometer
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Yes
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Proximity sensor
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Yes
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Ambient light sensor
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Yes
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Compass
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Yes
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The realme C21 comes equipped with essential sensors that enhance its usability. These sensors ensure convenience and make the phone suitable for modern smartphone users who need basic yet practical features.
Specification
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Details
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Face unlock
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Yes
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Fingerprint sensor
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Yes
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In-display fingerprint sensor
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No
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Compass/Magnetometer
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Yes
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Proximity sensor
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Yes
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Accelerometer
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Yes
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Ambient light sensor
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Yes
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Gyroscope
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No
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realme C21 - Price list in India (2025)Price list in India (2024)
The realme C21 price in India can vary depending on the retailer and the configuration you choose. Below is a price list which helps you compare and make an informed decision before purchasing.
Model
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Price
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realme C21 (Cross Blue, 32 GB)
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Rs. 9,999
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realme C21 (Cross Black, 32 GB)
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Rs. 9,999
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realme C21 (Cross Black, 64 GB)
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Rs. 10,499
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realme C21 (Cross Blue, 64 GB)
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Rs. 10,999
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Disclaimer: Prices may vary over time, kindly refer to the official website for the most accurate and updated pricing.
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