| Brand | Realme |
| Network | 4G LTE |
| Sim Type | Nano-SIM |
| Port Type | micro USB |
| Display Type | HD+ |
| Charging Type | Wired |
| Number of Sim | Dual-SIM |
| Water Resistant | Yes |
| Memory Card Slot | Yes |
| Display Resolution | 720x1600 |
| Operating System Type | Android 11 |
| Model Name | C21Y |
| Dimensions | 164.5 x 76 x 9.1 mm |
| Connectivity | Wi-Fi, Bluetooth 5, GPS, Micro USB 2 |
| Chipset Manufacturer | Unisoc T610 |
| Video Capture Format | 1080p@30fps |
| Processor Manufacturer | Unisoc T610 |
| Screen Size | 6.5 Inch |
| Front Camera | 5 megapixels |
| Primary Camera | 13 megapixels |
| Battery Capacity | 5000 mAh |
Brand: Realme
Model: C21Y
Display: 6.5-inch HD+ Mini-drop Fullscreen (720×1600)
Rear Camera:
Front Camera: 5 MP (f/2.2)
Processor: Unisoc T610 Octa-core
Battery Capacity: 5000mAh, supports reverse charging
Connectivity: Wi-Fi, Bluetooth 5, GPS, Micro USB 2, Rear fingerprint sensor