Karbonn KX51 sports a 2.4-inches TFT display that offers a screen resolution of 240 x 320 pixels. For imaging duties, the handset sports a single 0.3MP rear camera. It does not have a front-facing camera. The phone supports an expandable storage capacity of up to 32GB using a dedicated microSD card. As for the power backup, the feature phone comes loaded with 1800mAh Li-ion removable battery. In terms of connectivity and audio, the device supports 2G, Infrared, microUSB, speaker, and a 3.5mm headphone jack.
| Processor | |
| Display | 2.4 inches (6.1 cms) |
| Storage | |
| Rear Camera | Single (0.3 MP Camera) |
| Battery | 1800 mAh |
| RAM |
| Launch Date | October 20, 2020 |
| Expandable Memory | Yes, microSD, Up to 32 GB (Dedicated) |
| Resolution | 240 x 320 pixels |
| Size | 2.4 inches (6.1 cms) |
| Display Type | TFT |
| Pixel Density | 167 pixels per inch (ppi) |
| Rear | Single (0.3 MP Camera) |
| Type | Li-ion |
| Capacity | 1800 mAh |
| Removable | Yes |
| Fast Charging | No |
| Wireless Charging | No |
| SIM Configuration | Dual SIM |
| Bluetooth | Bluetooth |
| Network | 3G: Not Available, 2G: Available |
| Infrared | Yes |
| USB | microUSB |
| Speaker | Yes |
| Audio Jack | Yes, 3.5mm |