Karbonn KC540 The phone comes with a 2.20-inch display offering a resolution of 240x320 pixels at a pixel density of 182 pixels per inch (ppi). Karbonn KC540 is powered by an one-core processor.
The Karbonn KC540 is a single SIM (GSM) mobile that accepts a Regular-SIM card.
Connectivity options on the Karbonn KC540 include .
As of 19th December 2025, Karbonn KC540 price in India starts at Rs. 2,389.
| Brand | Karbonn |
| Model | KC540 |
| Price in India | ₹2,389 |
| Form factor | Bar |
| Removable battery | No |
| Screen size (inches) | 2.20 |
| Touchscreen | No |
| Resolution | 240x320 pixels |
| Pixels per inch (PPI) | 182 |
| Processor | one-core |
| Processor make | |
| Expandable storage | No |
| Rear camera | No |
| Front camera | No |
| Wi-Fi | No |
| GPS | No |
| Bluetooth | No |
| NFC | No |
| Infrared | No |
| USB OTG | No |
| FM | No |
| Number of SIMs | 1 |
| Wi-Fi Direct | No |
| Mobile High-Definition Link (MHL) | No |
| SIM Type | Regular |
| GSM/CDMA | GSM |
| 3G | No |
| 4G/ LTE | No |
| Supports 4G in India (Band 40) | No |
| Compass/ Magnetometer | No |
| Proximity sensor | No |
| Accelerometer | No |
| Ambient light sensor | No |
| Gyroscope | No |
| Barometer | No |
| Temperature sensor | No |
Karbonn KC540
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