Karbonn A91 Android Smartphone was launched in January 2014. It is running on the MTK 6572 processor with Mali-400MP GPU. The phone has 256 MB RAM and 512 MB of internal storage which is expandable using microSD, up to 32 GB.
The Karbonn A91 has a 4.0 inches WVGA, 480 x 800 pixels TFT LCD display with a pixel density of 233 ppi. Coming to cameras, it has a 3.2 MP rear camera and a VGA front camera for selfies. It has a microUSB port for data syncing and charging. There is a accelerometer sensor present on the Karbonn A91. It is a dual SIM smartphone with support for Wi-Fi, FM Radio and Bluetooth too.
The Karbonn A91 runs on Android OS, v4.2.2 (Jelly Bean) and all this is powered by a 1500 mAh battery.