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Realme C21 (4+64) Used

  • Here are 7 key specifications of the Realme C21 (4+64)
  • Display: 6.5-inch IPS LCD, 720 x 1600 pixels, 20:9 ratio
  • Processor: MediaTek Helio G35, Octa-core (4×2.3 GHz Cortex-A53)
  • RAM/Storage: 4GB RAM, 64GB internal storage (expandable via microSD)
  • Camera: Triple rear camera setup – 13MP (wide), 2MP (macro), 2MP (depth)
  • Battery: 5000mAh, supports 10W fast charging
  • OS: Android 10 with realme UI 1.0
  • Connectivity: Dual SIM, 4G LTE, Wi-Fi, Bluetooth 5.0, microUSB 2.0

Estimated Delivery:
14 - 21 Dec, 2025

Description

Realme C21 (4+64)

Realme C21 (4+64) is a budget-friendly smartphone designed to offer impressive features and performance. With its 6.5-inch V-Type Notch IPS LCD display, this device delivers vibrant visuals at a 720 x 1600 pixel resolution. The screen-to-body ratio stands at 80.8%, offering a large and immersive viewing experience. Powered by the MediaTek Helio G35 chipset and paired with 4GB of RAM and 64GB of internal storage, the Realme C21 ensures smooth multitasking and ample space for your apps, photos, and videos. For expanded storage, it supports a dedicated microSDXC card slot.

On the photography front, the Realme C21 is equipped with a versatile triple-camera setup. The primary 13MP camera with PDAF captures sharp, detailed images, while the 2MP macro and 2MP depth sensors enhance your photography experience with added close-up shots and beautiful portrait effects. The 5MP front camera with AI Beauty and HDR features ensures clear and vibrant selfies.

In terms of connectivity, the Realme C21 supports dual SIM functionality, 4G LTE, Wi-Fi, Bluetooth 5.0, and microUSB 2.0 for seamless communication. The phone runs on Android 10 with realme UI 1.0, offering a user-friendly experience. It also boasts a long-lasting 5000mAh battery, providing up to 35 hours of talk time and 18 hours of internet browsing on a single charge.

For added convenience, the Realme C21 features a rear-mounted fingerprint sensor, an FM radio, and various sensors like A-GPS, accelerometer, and proximity. Whether you’re looking for a reliable daily driver or an affordable gaming device, the Realme C21 (4+64) is an excellent choice.

Body
Dimensions (H W T) 165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
Build Material Glass Front, Plastic Frame & Back
Color Cross Black & Cross Blue
Weight 190 g (6.70 oz)

Display

Size 6.5 inches, 102.0 cm2
Type IPS LCD capacitive touchscreen, 16M colors
Bezel-Less Display V-Type Notch display
Resolution 720 x 1600 pixels
Pixel Density 270 ppi density
Aspect Ratio 20:9 ratio
Multitouch Yes
Screen & Body Ratio 80.8% screen & body ratio

Network

GPRS
EDGE
SIM Dual SIM (Nano-SIM, dual stand-by)
Technology GSM / HSPA / LTE
2G Network GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 2100
4G Network 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE

Performance

OS Android 10
Custom UI realme UI 1.0
Chipset MediaTek Helio G35 (12 nm)
CPU Octa-core (4×2.3 GHz Cortex-A53 & 4×1.8 GHz Cortex-A53)
GPU PowerVR GE8320
– 680 MHz
– 64 bit

Memory

RAM 3GB/4GB
ROM / Internal 32GB/64GB
Variant 3GB/32 & 4GB/64GB
– eMMC 5.1
External Card slot microSDXC (dedicated slot)

Primary Camera

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)

Resolution & Sensor 4128 x 3096 Pixels
Features Face Detection autofocus, Continuos Shooting, High Dynamic Range mode (HDR), 4X Digital Zoom, Auto Flash, Face detection, Touch to focus, 75° field-of-view, Exposure compensation, ISO control
Video 1080p@30fps, 720p@30fps

Selfie Camera

Camera 5 MP, f/2.2, (wide), 1/5.0″, 1.12µm
Resolution & Sensor 2592 x 1944 Pixels
Features Photography functions, AI Beauty, Filter Mode, HDR, Panoramic View,, Portrait Mode, Time lapse, FOV 77.9° Angle
Video 1080p@30fps, 720p@30fps

Connectivity

Wi-Fi Wi-Fi 802.11 b/g/n
WLAN Dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.0, A2DP, LE
NFC No
USB microUSB 2.0, USB On-The-Go
Infrared port
FM Radio Yes
Browser HTML 5

Sensors

Fingerprint Rear Mounted
GPS Sensor Yes, with A-GPS, GLONASS, BDS
Proximity Sensor Yes
Accelerometer Yes
Compass / Magnetometer Sensor Yes
Gyroscope Sensor No
Light Sensor Yes

Sound

Alert types Vibration, MP3, WAV ringtones
3.5 mm Audio Jack Yes
Loudspeaker Yes

Battery

Battery Type Non-removable Li-Polymer
Battery Capacity 5000 mAh
Charging Time About 2.5 Hours with 10W Fast charging
Standby Time Up to 135 hours
Talk-Time Up to 35 hours (3G)
Internet Browsing Up to 18 hours
Video Playback Up to 20 hours

More

Extra Features – SMS(threaded view), MMS, Email, Push Email, IM
– XviD/MP4/H.265 player
– MP3/WAV/eAAC+/Flac player
– Photo/video editor
– Document viewer
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