| Hardware and OS Nokia C21 Plus |
| Operating system: | Android 11 (Go edition) |
| Processor: | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) |
| Chipset: | Unisoc SC9863A (28nm) |
| GPU: | IMG8322 |
| Internal memory: | 32GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM |
| External memory: | microSDXC (dedicated slot) |
| Display Nokia C21 Plus |
| Type: | IPS LCD |
| Size: | 6.52 inches, 102.6 cm2 (~82.1% screen-to-body ratio) |
| Resolution: | 720 x 1600 pixels, 20:9 ratio |
| Protection: | Scratch-resistant glass |
| Colors: | Dark Cyan, Warm Gray |
| Design Nokia C21 Plus |
| Body: | Splash protection |
| Body build: | Glass front, aluminum frame, plastic back |
| SIM: | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
| Dimensions: | 164.8 x 75.9 x 8.6 mm (6.49 x 2.99 x 0.34 in) |
| Weight: | 178 g or 191 g (6.28 oz) |
| Connectivity Nokia C21 Plus |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network: | HSDPA 850 / 900 / 2100 |
| 4G Network: | LTE |
| WLAN: | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth: | 4.2, A2DP |
| GPS: | Yes, with A-GPS |
| NFC: | No |
| USB: | microUSB 2.0 |
| CDMA: | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| Speed: | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology: | GSM / HSPA / LTE |
| Main Camera Nokia C21 Plus |
| Camera: | 13 MP, (wide), AF
2 MP, (depth) |
| Features: | LED flash, HDR, panorama |
| Video: | 1080p@30fps |
| Selfie camera Nokia C21 Plus |
| Camera: | 5 MP |
| Features: | LED flash |
| Video: | 720p |
| Multimedia Nokia C21 Plus |
| Radio: | FM radio |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Features Nokia C21 Plus |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity |
| Battery Nokia C21 Plus |
| Type: | Li-Ion 4000/5050 mAh, non-removable |
