
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.
7/2/2026
| Identity Brand | Karbonn |
| Identity Model | Karbonn K9 Jumbo |
| Launch Announced | 2012 |
| Launch Status | Discontinued |
| Body Dimensions | 115 x 50 x 15.5 mm (4.53 x 1.97 x 0.61 in) |
| Body Weight | 112 g (3.95 oz) |
| SIM SIM | Dual SIM (Mini-SIM) |
| Display Type | TFT, 256K colors |
| Display Size | 2.4 inches, 17.8 cm | 2 | (~31.0% screen-to-body ratio) |
| Display Resolution | 240 x 320 pixels, 4:3 ratio (~167 ppi density) |
| Camera Rear | Single: 1.3 MP |
| Battery | Li-Ion 1800 mAh, removable |
| Network Technology | GSM |
| Network 2G bands | GSM 900 / 1800 - SIM 1 & SIM 2 |
| Connectivity Network | GSM |
| Connectivity Wireless | No | 2.0 |
| Connectivity USB | microUSB |
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.
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.