| Hardware and OS | Celkon C820 | |
| Operating system | Android 4.2.2 (Jelly Bean) | |
| Processor | Dual-core 1.0 GHz | |
| Internal memory | 4GB 512MB RAM | |
| External memory | microSDHC | |
| Display | Celkon C820 | other phones |
| Size | 8.0 inches, 185.6 cm2 | |
| Resolution | 800 x 1280 pixels, 16:10 ratio | |
| Type | TFT | |
| Main Camera | Celkon C820 | other phones |
| Camera | 3.15 MP | |
| Video | Yes | |
| Selfie camera | Celkon C820 | other phones |
| Camera | 1.3 MP | |
| Connectivity | Celkon C820 | other phones |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 2100 | |
| Bluetooth | 2.1 | |
| GPS | Yes | |
| NFC | No | |
| Speed | HSPA | |
| Technology | GSM / HSPA | |
| USB | microUSB 2.0 | |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot | |
| Multimedia | Celkon C820 | other phones |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Radio | FM radio | |
| Battery | Celkon C820 | other phones |
| Type | Li-Ion 4000 mAh, non-removable | |
| Stand-by | Up to 500 h | |
| Talk time | Up to 14 h | |
| Design | Celkon C820 | other phones |
| Colors | Black, Silver | |
| Dimensions | 210 x 131 x 10.5 mm (8.27 x 5.16 x 0.41 in) | |
| Weight | - | |
| SIM | Dual SIM | |
| Features | Celkon C820 | other phones |
| Sensors | Accelerometer | |
