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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

Realme C21 (4+64) Used
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.
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 |
Additional information
Weight | 0.3 kg |
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Color | Sky Blue, Black |
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