Karbonn A40 Android Smartphone was launched in July 2014. It is running on the MTK 6572 processor with Mali-400MP GPU. The phone has 512 MB RAM and 4 GB (2.4 GB internal storage) of internal storage which is expandable using microSD, up to 32 GB.
The Karbonn A40 has a 5.0 inches FWVGA, 480 x 854 pixels IPS display with a pixel density of 196 ppi. Coming to cameras, it has a 5 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 A40. It is a dual SIM smartphone with support for Wi-Fi, FM Radio, Bluetooth and GPS too.
The Karbonn A40 runs on Android OS, v4.4.2 (KitKat) and all this is powered by a 1700 mAh battery.