| Hardware and OS | Celkon A77 | |
| Operating system | Android 2.3 (Gingerbread) | |
| Processor | 1.0 GHz | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Celkon A77 | other phones |
| Type | TFT | |
| Size | 3.5" inc | |
| Resolution | 320 x 420 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 52.9% | |
| Display area | 38.1 cm2 | |
| Display aspect ratio | 4:3 (height:width) | |
| Pixel Density | 151 PPI | |
| Connectivity | Celkon A77 | other phones |
| Wi-Fi | Wi-Fi 802.11 b/g/n | |
| Network | GSM | |
| SIM card | Dual SIM (Mini-SIM) | |
| Bluetooth | Yes | |
| Edge | No | |
| GPRS | Yes | |
| GPS | No | |
| USB | microUSB 2.0 | |
| Camera | Celkon A77 | other phones |
| Main camera | 2 MP, Single | |
| Specs | 2 MP | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Celkon A77 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | Stereo FM radio | |
| Design | Celkon A77 | other phones |
| Colors | White, Black | |
| Dimensions | 118 x 61 x 13.5 mm | |
| Weight | 104 g | |
| Battery | Celkon A77 | other phones |
| Battery capacity | 1300 mAh, Li-Ion | |
| Battery life | Stand by time- Up to 130 h
Talking time- Up to 4 h 45 min
| |
| Other | Celkon A77 | other phones |
| Release date | 2012, December | |
| Sensors | Accelerometer | |
