Realme C21Y Specs, Price, and Best Deals

Realme C21Y
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The Realme C21Y is an entry-level smartphone that was announced in Vietnam and could soon launch in other regions. The company launched this new phone with Unisoc T610 SoC, 4GB RAM, and triple rear cameras.

Where to Buy Oppo Realme C21Y

Jumia Nigeria – See Offers | Jumia Kenya – See Offers

Realme C21Y Key Specs & Features

  • 6.5 inches IPS LCD Display, 720 x 1600 pixels, 20:9 ratio (~270 ppi)
  • Android 10, Realme UI
  • Octa-core Unisoc T610 (12 nm)
  • 4GB RAM
  • 64GB Built-in Storage up to 256GB Memory Card
  • 13 MP + 2 MP + 2 MP Triple Rear Cameras
  • 5 MP Front Camera
  • Fingerprint (rear-mounted)
  • 4G LTE Network
  • Reverse Charging
  • Non-Removable Li-Po 5000 mAh Battery

Realme C21Y

Design and Display

The Realme C21Y has a decent body design that is built with a plastic back and frame plus a front glass. The panel is looking just like other Realme phones under the C-series branding. It features a camera set up, a fingerprint scanner, and also an LED flash.

The device body measures 164.5 x 76 x 9.1 mm in dimension and weighs 200 grams. On the front, it features a 6.5-inch HD+ LCD that offers a screen resolution of 1600 × 720 pixels and 400nits peak brightness. You will also notice the waterdrop notch that houses a front selfie shooter.


The Realme C21Y packs a triple camera setup on the back that consists of a 13-megapixel sensor, a 2-megapixel macro lens, and a 2-megapixel monochrome lens. On the front, it parades a 5-megapixel snapper for taking selfies and video calling.

Hardware and Software

The Realme C21Y is powered by a Unisoc T610 octa-core processor which is built on a 12nm fabrication node. The octa-core is clocking at 2xX.X GHz integrated with Mali G52 GPU to handle the graphics. It has 4GB LPDDRX RAM and 64GB internal storage which is expandable via micro SDcard.

Battery and Network

There is a massive battery of 5,000mAh battery keeping the device on with Reverse charging technology. Further, you will get a rear-mounted fingerprint sensor, an Android 10 operating system out-of-the-box which is a bit old OS since Android 12 has been officially announced.

It has Realme UI on top. Other features include 4G, Dual Sim, Wi-Fi 802.11 b/g/n, Bluetooth 5.0, GPS, AGPS, Beidou, and Glonass.

Realme C21Y Price and Availability

The Realme C21Y will sell for $151 for the 3GB RAM with 32GB internal storage model, while the 4GB RAM with 64GB internal storage variant costs $173.

In Nigeria, the smartphone will start selling from 65,000 Naira, about 17,000 Ksh in Kenya, and 900 Ghs in Ghana.

Realme C21Y Specs

Here are a few specs of the Realme C21Y:

General Features

  • Platform: Android 10, Realme UI
  • Processor: Unisoc T610 (12 nm), Octa-core (2xX.X GHz Cortex-A75 & 6×1.8 GHz Cortex-A55)
  • GPU: Mali-G52
  • Memory: 4GB RAM
  • Colours: Cross Black, Cross Blue
  • Dimension: 164.5 x 76 x 9.1 mm
  • Weight: 200 g
  • SIM Type: Nano-SIM, dual stand-by
  • SIM Count: Dual SIM (Nano-SIM, dual stand-by)


  • Display: 6.5 inches IPS LCD Display, 720 x 1600 pixels, 20:9 ratio (~270 ppi)
  • Screen Protection: Yes
  • Foldable Display: No


  • Rear Camera: 13 MP, f/2.2, 26mm (wide), 1/3.06″, 1.12µm, PDAF + 2 MP, f/2.4, (macro) + 2 MP, f/2.4, (depth) Triple Cameras, [email protected]
  • Rear Camera Features: LED flash, HDR, panorama
  • Front Camera: 5 MP Camera, f/2.2, (wide), 1/5.0″, 1.12µm, HDR, panorama, [email protected]


  • Built-in Storage: 64GB
  • Memory Card Support: Yes, microSDXC (dedicated slot)
  • Bundled Cloud Storage: Yes

Network Support

  • 2G GSM: Yes, GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
  • 2G CDMA 1X: Yes
  • 3G WCDMA: Yes, HSDPA 850 / 900 / 2100
  • 3G CDMA EVDO: Yes
  • 4G LTE: Yes, 1, 3, 5, 8, 38, 40, 41
  • 5G: No

Internet & Connectivity

  • GPRS: Yes
  • EDGE: Yes
  • 3G/WCDMA/HSPA: Yes
  • HSPA+: Yes
  • CDMA EVDO: Yes
  • 4G LTE: Yes
  • 5G: No
  • WLAN: Wi-Fi 802.11 b/g/n, hotspot
  • Wi-Fi Hotspot: Yes
  • Bluetooth: Bluetooth 5.0, A2DP, LE
  • NFC: No
  • Infrared Blaster: No
  • USB Port: microUSB 2.0, USB On-The-Go


  • SMS/MMS: Yes
  • Instant Messaging: Yes
  • Push Emails: Yes
  • Email Protocol: Yes


  • Music Player: Yes
  • Video Player: Yes
  • FM Radio: Yes
  • Loudspeaker: Yes
  • 3.5mm Jack: Yes


  • Navigation: Yes, with A-GPS, GLONASS, BDS
  • Maps: Yes

Sensors & Control

  • Digital Compass: Yes
  • Accelerometer: Yes
  • Proximity Sensor: Yes
  • Light Sensor: Yes
  • Barometer: No
  • SpO2: No
  • Pedometer: No
  • Heart Rate Monitor: No
  • Gyroscope: Yes
  • Fingerprint Scanner: Yes (Rear)
  • Iris Scanner: No
  • Face Unlock: Yes
  • Stylus Pen: No
  • Intelligent Digital Assistant: Yes
  • Motion Sensing / Gesture Control: Yes
  • Voice Control: Yes

Other Features

  • Video Streaming: Yes
  • Active Noise Cancellation: Yes
  • Wireless Charging: No
  • Built-in Mobile Payment: No
  • Water Resistant: No
  • Dust Resistant: No
  • Image Editor: Yes
  • Video Editor: Yes
  • Document Viewer: Yes
  • Document Editor: Yes


  • Battery: Li-Po 5000 mAh, non-removable Battery
  • Talktime:
  • Standby Time:
  • Fast Charging: Reverse charging
Paschal Okafor is NaijaTechGuide Team Lead. The article Realme C21Y Specs, Price, and Best Deals was written by Miracle .O. The article was last modified: July 13th, 2021
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