Karbonn K440

The Karbonn K440 is a compact basic phone with a 2.6-inch TFT display, dual SIM GSM support, a 1.3 MP rear camera, and a long-lasting 2100 mAh battery. It is ideal for users seeking simple communication features and extended battery life without advanced smartphone capabilities.

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Karbonn K440

7/2/2026

Identity BrandKarbonn
Identity ModelKarbonn K440
Launch Announced2012
Launch StatusDiscontinued
Body Dimensions119.5 x 54 x 13.5 mm (4.70 x 2.13 x 0.53 in)
Body Weight-
SIM SIMDual SIM (Mini-SIM)
Display TypeTFT, 256K colors
Display Size2.6 inches, 20.9 cm | 2 | (~32.4% screen-to-body ratio)
Display Resolution240 x 320 pixels, 4:3 ratio (~154 ppi density)
Camera RearSingle: 1.3 MP
BatteryLi-Ion 2100 mAh battery
Network TechnologyGSM
Network 2G bandsGSM 900 / 1800 - SIM 1 & SIM 2
Connectivity NetworkGSM
Connectivity WirelessNo | 2.0
Connectivity USBmicroUSB

The Karbonn K440 is a basic phone option featuring a compact design and adequate features for everyday communication needs. Measuring 119.5 x 54 x 13.5 mm, this phone is easy to hold and comfortable to use, equipped with a 2.6-inch TFT display that offers a resolution of 240 x 320 pixels. Although the screen is small and standard, its 256K color quality is sufficient to provide a clear and comfortable viewing experience in various lighting conditions.

In terms of performance, the Karbonn K440 relies on GSM network support with dual SIM capability, allowing users to manage two numbers simultaneously, making it ideal for those who need flexibility in communication. Connectivity options are limited to microUSB for charging and data transfer, with no support for 3G data or Wi-Fi networks, making it more suitable for basic phone calls and SMS usage.

For the camera, the Karbonn K440 is equipped with a 1.3 MP rear camera. While this camera is not designed for high-quality photography, it is sufficient for simple documentation needs. This camera feature is ideal for users who do not prioritize photography on their phone.

The 2100 mAh Li-Ion battery is one of the main advantages of the Karbonn K440. This capacity is quite large for a basic phone, providing long standby and usage times without frequent recharging. Charging is done via a common microUSB port, offering convenience with standard chargers.

  • Display: 2.6-inch TFT with 240 x 320 pixel resolution, offering sharp enough colors for a basic phone.
  • Performance: Dual SIM GSM for simple and efficient communication.
  • Camera: 1.3 MP rear camera for basic photo needs.
  • Battery: 2100 mAh Li-Ion with long-lasting endurance.
  • Charging: Uses a widely available microUSB port.
  • Key features: Compact design and practical dual SIM for users with dual communication needs.

Suitable for: Those looking for a simple phone with long battery life, dual SIM features, and basic communication needs without advanced smartphone functions.