5000mAh Massive Battery*
13MP AI Triple Camera
6.5" Mini-drop Fullscreen
Helio G35 Powerful Processor
TÜV Rheinland Smartphone
High Reliability Certification
Instant Fingerprint Unlock
Geometric Art Design
This super long-lasting battery empowers you to face the challenges of life head-on. Power your day for longer with this 5000mAh massive battery.
Supports Reverse Charging*
Don't panic if your phone starts running low. At just 5% battery, you can still use WhatsApp for up to 85 minutes on Super Power Saving Mode.
5% Battery for
A powerful 13MP AI Triple Camera captures the details of our brilliant world. The primary 13MP camera enables sharper and brighter photos, while the 2MP Macro lens is perfect for detailed close-ups. Landscapes, portraits, macro shots...the possibilities are endless.
2MP B&W Lens
Now, the stars and city lights are just a single touch away. Turn on Super Nightscape mode to capture the beauty of the night, even in low-light environments.
AI empowered Chroma Boost produces perfectly balanced pictures with more vibrant colors.
Put your best face forward.
The large HD+ display is just one more reason to love this phone. Whether you’re gaming or watching videos, the Mini-Drop Fullscreen display brings you a more immersive experience.
Every realme mobile phone goes through rigorous quality tests. This time, realme make a further Step. As the first in the industry passed TÜV Rheinland Smartphone Quality Certification, realme C21 makes users freely enjoy long-lasting smart life.
The test conditions are based on the three-year life cycle of smartphone.
Daily Use Test Scenarios
Components Reliability Test Scenarios
Extreme Environment Test Scenarios
Up to 2.3GHz
Other Entry-level Processor
Helio G35 Processor
The reliable fingerprint sensor unlocks your phone quickly and safely, whenever you need it.
Featuring dual SIM slots and a MicroSD slot for expandable storage of up to 256GB.
1. 5000mAh is the typical value of realme C21 battery capacity.
2. The Reverse Charging feature of the realme C21 requires turning on the OTG function for providing charging to other phones via the OTG cable.
3. The data of battery life in Super Saving Mode is from the realme lab. The actual results may vary slightly depending on the environment.
4. The screen ratio data comes from the test results of realme lab.
5. The AnTuTu benchmark result of the Helio G35 processor and the other entry-level processor is obtained from realme Lab.
6. Product pictures are for reference only, please refer to the actual products. Certain product specifications and descriptions may change due to reasons like changes in suppliers.