Realme C21 4GB 64GB Mobile | Technology Valley

REALME C21 Mobile 4GB RAM 64GB 6.5-inch 5000Mah Cross Black

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  • REALME C21 Mobile 4GB RAM 64GB 6.5-inch 5000Mah Cross Black
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    Realme C21 price and specifications

    • Processor: Helio G35 octa-core 12nm technology
    • Storage / RAM: 64 GB with 4 GB RAM
    • Camera: Triple rear 13 + 2 + 2 MP. Front 5 mb.
    • Screen: 6.5 inches, with HD + resolution, with a small notch
    • Operating System: Android 10
    • Battery: 5000 mAh
  • Product Code: RMX3201
  • Availability: In Stock
  • Publish Date: 2022-10-17
  • Views: 487 times.

  • 4,499

Realme C21 Features and Specifications

13MP AI Triple Camera

A huge battery with a capacity of 5000 mAh

6.5 inch full screen with small notch

Powerful processor Helio G35

High reliability certification from TUV Rheinland smartphone

Engineering art design

Fast fingerprint and 3 card slots

A massive 5000 mAh battery for more power

This super long-lasting battery enables you to face life's challenges head-on. Power up your day for longer with this Realme C21 massive 5000mAh battery that supports reverse charging.

Ultra Power Saving Mode

No need to fear if your phone battery starts to run out. With only 5% battery, you can still use WhatsApp for up to 85 minutes in ultra power saving mode.

13MP AI Triple Camera See More...Feel More

The powerful 13MP AI triple camera in Realme C21 captures the details of our wonderful world. The 13MP main camera enables clearer and brighter photos, while the 2MP macro lens is ideal for capturing detailed close-ups. Landscapes, portraits, close-ups... the possibilities are endless.

Ultra Night Mode

Now, the stars and city lights are just one touch away. Turn on the Ultra Night Mode to capture the beauty of the night, even in dimly lit areas.

Chroma enhancement

The AI-assisted chroma boost technology in Realme C21 produces balanced images with more vibrant colors.

AI Selfie Camera

Put your face forward with Portrait Mode and AIBeauty.

6.5 inch full screen with a small notch for a more spacious display

The large HD+ screen is another reason to prefer Realme C21  whether you are playing games or watching video, the small notch full screen provides you with an immersive experience.

Helio G35 gaming processor

With HyperEngine technology in Realme C21, the powerful g35 processor ensures smooth performance throughout gaming, no matter the duration, the processing speed on your G35 processor can reach 2.3GHz.

Instant fingerprint unlocking is convenient and secure.

The reliable fingerprint sensor unlocks your phone quickly and securely, whenever you need it.

3 card slots to expand your possibilities.

Realme C21 features two SIM card slots and a MicroSD slot for expandable storage up to 256GB.

Attractive Artistic Design

Contemporary and functional, the bold cross-hole design creates a strong visual impact while protecting against fingerprints. Choose between Cross Blue and Cross Black.



Processor: Octa-core 12nm processor

CPU: Octa-core processor, 12nm, up to 2.3GHz



Cross Black

Storage and RAM


ROM: 64 GB


6.5-inch HD display + small notch 89.5% screen-to-body ratio

LCD multi-touch screen

Resolution 1600*720 pixels

400 cd/m² maximum brightness (typical)


Triple camera 13 MP with artificial intelligence


13MP main camera

f/2.2 aperture

5P . lens


4X digital zoom


2 megapixel lens, black and white

f/2.4 aperture

3P . lens



2 megapixel macro lens

f/2.4 aperture

3P . lens

4 cm FF


shooting function:

Night mode, Panoramic view, Expert mode, Timelapse, Portrait mode, Ultra, HDR, chroima Boost, Filter, AI Beauty, macro


Video recording:

Support 1080p/30fps video recording

Charger and Battery

Large 5000 mAh battery (typical)

Supports reverse charging

Network and connectivity

Three card slot: 2 SIM + 1 MicroSD

Frequency range:

MHz GSM: 850/900/1800/1900

WCDMA bands: 1/5/8

FDD-LTE Bands: 1/3/5/7/8/20/28

TD-LTE Bands: 41/40/38 (2535MHz - 2655MHz)

Size and Weight

165.2 mm

Width: 76.4 mm

Depth: 8.9 mm

Weight: 190g (with battery)


Magnetic Induction Sensors

light sensor

proximity sensor

accelerometer sensor




3.5 mm headphone jack

Micro USB

Dual nano-SIM and Micro SD 1


Realme operating system

Based on Android 10

Package Content

Realme C21 Mobile

USB cable

charging adapter

Phone user guide

SIM Card Tool

Important product information (including warranty card)

Category mobile & tablet
Sub-Category Mobiles
Model RMX3201
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