| Brand: | Realme |
| Model: | C21Y |
| Type: | Smartphone |
| Release Date: | 2021, June 21 |
| Size: | 6.5 inches, 102.0 cm2 (~81.6% screen-to-body ratio) |
| Resolution: | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| Technology: | IPS LCD, 400 nits (typ) |
| Main Specs: | 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) |
| Main Features: | LED flash, HDR, panorama |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 5 MP, f/2.2, (wide), 1/5.0", 1.12µm |
| Selfie Features: | HDR, panorama |
| Selfie Video: | 1080p@30fps |
| Capacity: | Li-Po 5000 mAh, non-removable |
| Type: | Li-Po |
| Chipset: | Unisoc T610 (12 nm) |
| Ram: | 3GB |
| Storage: | 32GB |
| Expandable: | microSDXC (dedicated slot) |
| Dimensions: | 164.5 x 76 x 9.1 mm (6.48 x 2.99 x 0.36 in) |
| Weight: | 200 g (7.05 oz) |
| Wifi: | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth: | 5.0, A2DP, LE |
| Nfc: | No |
| Usb: | microUSB 2.0, USB On-The-Go |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Colors: | Cross Black, Cross Blue |
