Nokia C21 သည် Display size 6.52 inches ရှိပြီး IPS LCD ကိုအသုံးပြုထားပါသည်။720 x 1600 pixels Resolution ကိုသုံးပေးထားပါသည်။ Main camera အနေဖြင့် 8MP နှင့် Selfie Camera 5 MP ကိုသုံးပေးထားပါသည်။ Li-Po 3000 mAh ပါဝင်ပြီး Android 11 ဖြစ်ပါသည်။
| Released | 2022, February 28 |
| Network | GSM / HSPA / LTE |
| SIM | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | IPS LCD |
| Display Size | 6.52 inches |
| Resolution | 720 x 1600 pixels |
| OS | Android 11 (Go edition) |
| Chipset | Unisoc SC9863A (28nm) |
| CPU | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) |
| GPU | IMG8322 |
| Memory | 32GB 2GB RAM |
| Main Camera | 8 MP |
| Selfie Camera | 5 MP |
| Loudspeaker | Yes |
| 3.5mm Jack Port | Yes |
| USB Type | microUSB 2.0 |
| Memory Card Slot | microSDXC (dedicated slot) |
| Device Security | Fingerprint (rear-mounted), accelerometer, proximity |
| Battery | Li-Ion 3000 mAh, removable |
| Available Color | Blue/Gray |