| Hardware and OS | Micromax Bolt A51 | |
| Operating system | Android 2.3.7 (Gingerbread) | |
| Processor | 832 MHz | |
| Internal memory | 512 MB, 256 MB RAM | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Micromax Bolt A51 | other phones |
| Type | TFT | |
| Size | 3.5" inc | |
| Resolution | 320 x 480 px | |
| Touchscreen | touchscreen | |
| Screen-to-Body Ratio | 49.3% | |
| Display area | 36.5 cm2 | |
| Display aspect ratio | 3:2 (height:width) | |
| Pixel Density | 165 PPI | |
| Connectivity | Micromax Bolt A51 | other phones |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | |
| Network | GSM / HSPA | |
| SIM card | Dual SIM | |
| Bluetooth | 3.0 | |
| Edge | Class 32 | |
| GPRS | Class 12 | |
| GPS | No | |
| Speed | HSPA | |
| USB | microUSB | |
| Camera | Micromax Bolt A51 | other phones |
| Main camera | 2 MP, Single | |
| Specs | 2 MP | |
| Features | LED flash | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Micromax Bolt A51 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Micromax Bolt A51 | other phones |
| Colors | Black/Silver | |
| Dimensions | 118.5 x 62.5 x 12.8 mm | |
| Weight | 118 g | |
| Battery | Micromax Bolt A51 | other phones |
| Battery capacity | 1500 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 140 h
Talking time- Up to 4 h 30 min
| |
| Other | Micromax Bolt A51 | other phones |
| Release date | 2013, April | |
| Sensors | Accelerometer | |
