| Hardware and OS | Lava A51 | |
| Operating system | Android 6.0 (Marshmallow) | |
| Processor | Quad-core 1.2 GHz | |
| Chipset | Spreadtrum SC7731C | |
| Internal memory | 8 GB, 512 MB RAM | |
| External memory | microSD, up to 32 GB | |
| Display | Lava A51 | other phones |
| Type | TFT | |
| Size | 4.5" inc | |
| Resolution | 480 x 854 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 62.2% | |
| Display area | 55.8 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 218 PPI | |
| Colors | 16M | |
| Connectivity | Lava 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 | 2.1, EDR | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA | |
| USB | microUSB 2.0 | |
| Camera | Lava A51 | other phones |
| Main camera | 5 MP, Single | |
| Specs | 5 MP | |
| Features | LED flash, panorama | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Lava A51 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Lava A51 | other phones |
| Colors | Gray, Black, Gold | |
| Dimensions | 136 x 66 x 9.9 mm | |
| Battery | Lava A51 | other phones |
| Battery capacity | 1750 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 420 h (3G)
Talking time- Up to 10 h 30 min (3G)
| |
| Other | Lava A51 | other phones |
| Release date | 2016, October | |
| Sensors | Accelerometer | |
