The Karbonn A4 is dual SIM low range smartphone device with Android 2.3.6 Gingerbread operating system. The device has a 4-inch HVGA Capacitive Display with 320x480 pixels screen resolution.
The Karbonn A4 has a 1GHz processor with 256MB of RAM. The device has 104 MB internal memory that is expandable up to 32GB via micro SD card.
The A4 has a 3.2MP rear camera and a VGA front camera. The connectivity options on this device are 3G, GPRS/EDGE, Wi-Fi, Bluetooth, micro USB and GPS.
The device runs on a 1400mAh battery.
The Karbonn A4 is a low range smartphone device with a powerful processor. It has adequate features for a budget device and will meet the users basic internet requirement and some more. Although the Android version on this device is outdated, it still offers a great performance and is loaded with apps. Its competitors would be the recently launched Lava Iris 349 and Iris 355.