| Local Name | C820 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 2100 |
| 2G Bands | GSM 900 / 1800 - SIM 1 & SIM 2 |
| Speed | HSPA |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2014 |
| Status | Available |
| Dimensions | 210 x 131 x 10.5 mm (8.27 x 5.16 x 0.41 in) |
| SIM | Dual SIM |
| Display Type | Capacitive touchscreen |
| Screen Size | 8.0 inches (~67.5% screen-to-body ratio) |
| Resolution | 800 x 1280 pixels (~189 ppi pixel density) |
| Mulitouch | Yes |
| OS | Android OS, v4.2.2 (Jelly Bean) |
| CPU | Dual-core 1 GHz |
| Card Slot | microSD, up to 32 GB |
| Internal Memory | 4 GB, 512 MB RAM |
| Primary Camera | 3.15 MP, 2048 x 1536 pixels |
| Video | Yes |
| Secondary Camera | 1.3 MP |
| Alert Types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | Yes |
| GPS | Yes |
| Radio | FM radio |
| USB | microUSB v2.0 |
| Sensors | Accelerometer |
| Messaging | SMS(threaded view), MMS, Email, IM |
| Browser | HTML |
| Java | No |
| Features Summary | MP3/WAV/eAAC player, MP4/H.264 player, Document viewer, Photo viewer/editor, Voice memo/dial |
| Battery | Non-removable Li-Ion 4000 mAh battery |
| Stand By | Up to 500 h |
| Talk Time | Up to 14 h |
| Colors | Black, Silver |
| SAR EU | 0.41 W/kg (head) 0.53 W/kg (body) |