Karbonn K9 Jumbo

The Karbonn K9 Jumbo is a compact, basic phone with a 2.4-inch TFT display, dual SIM GSM support, a 1.3 MP rear camera, and a removable 1800 mAh battery. It is designed for users seeking simple, reliable communication features and good battery life without advanced smartphone capabilities.

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Karbonn K9 Jumbo

7/2/2026

Identity BrandKarbonn
Identity ModelKarbonn K9 Jumbo
Launch Announced2012
Launch StatusDiscontinued
Body Dimensions115 x 50 x 15.5 mm (4.53 x 1.97 x 0.61 in)
Body Weight112 g (3.95 oz)
SIM SIMDual SIM (Mini-SIM)
Display TypeTFT, 256K colors
Display Size2.4 inches, 17.8 cm | 2 | (~31.0% screen-to-body ratio)
Display Resolution240 x 320 pixels, 4:3 ratio (~167 ppi density)
Camera RearSingle: 1.3 MP
BatteryLi-Ion 1800 mAh, removable
Network TechnologyGSM
Network 2G bandsGSM 900 / 1800 - SIM 1 & SIM 2
Connectivity NetworkGSM
Connectivity WirelessNo | 2.0
Connectivity USBmicroUSB

The Karbonn K9 Jumbo is a simple phone option featuring a compact design and adequate basic functions. It sports a 2.4-inch TFT display with a resolution of 240 x 320 pixels and a 4:3 aspect ratio, offering a fairly bright color display with up to 256K colors. Although the screen is relatively small with about a 31% screen-to-body ratio, it is sufficient for everyday communication needs such as calling, texting, and running basic applications.

In terms of performance, the Karbonn K9 Jumbo supports dual SIM GSM networks, allowing users to operate two SIM cards simultaneously. This phone is ideal for users who need a basic communication device without the hassle of switching phones. Additional connectivity options include microUSB and Bluetooth 2.0 for data transfer or charging needs.

For photography, the phone is equipped with a 1.3 MP rear camera that can capture simple moments. While not designed for professional photography, this feature is enough for quick and practical photo-taking.

Powering the device is a removable 1800 mAh Li-Ion battery, which is sufficient for daily use focused on basic communication, considering the low power consumption of the screen and features. Charging is done via a microUSB port, which is common and compatible with many standard chargers.

  • Display: 2.4-inch TFT with 256K colors, 240 x 320 pixels resolution
  • Performance: Dual SIM GSM for easy and economical connectivity
  • Camera: 1.3 MP rear camera for simple photos
  • Battery: Removable 1800 mAh Li-Ion, charged via microUSB
  • Key Features: Compact and lightweight design, dual SIM for communication flexibility

Ideal for: users who need a basic phone for everyday communication with simple features, especially those who prioritize dual SIM capability and battery endurance without requiring advanced smartphone functions.