| Hardware and OS | Karbonn A25 | |
| Operating system | Android 4.0 (Ice Cream Sandwich) | |
| Processor | Dual-core 1.0 GHz | |
| Internal memory | 114 MB | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Karbonn A25 | other phones |
| Size | 5" inc | |
| Resolution | 480 x 800 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 62.0% | |
| Display area | 71.2 cm2 | |
| Display aspect ratio | 5:3 (height:width) | |
| Pixel Density | 187 PPI | |
| Connectivity | Karbonn A25 | other phones |
| Wi-Fi | Wi-Fi 802.11 b/g/n | |
| Network | GSM | |
| SIM card | Dual SIM | |
| Bluetooth | Yes | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | No | |
| USB | Proprietary | |
| Camera | Karbonn A25 | other phones |
| Main camera | 5 MP, Single | |
| Specs | 5 MP | |
| Features | LED flash | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Karbonn A25 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Karbonn A25 | other phones |
| Colors | White/Black | |
| Dimensions | 146 x 78.6 x 10.5 mm | |
| Weight | 150 g | |
| Battery | Karbonn A25 | other phones |
| Battery capacity | 2000 mAh, Li-Ion | |
| Battery life | Stand by time- Up to 300 h
Talking time- Up to 6 h
| |
| Other | Karbonn A25 | other phones |
| SAR | SAR EU - 0.50 W/kg (head) | |
| Release date | 2013 | |
| Sensors | Accelerometer, proximity | |
