The Karbonn A 40 Indian 4G is powered by 1.3GHz quad-core processor and it comes with 1GB of RAM. The phone packs 8GB of internal storage expandable upto 32GB. As far as the cameras are concerned, the Karbonn A 40 Indian 4G packs a 2-megapixel primary camera on the rear and a VGA front shooter for selfies. The Karbonn A 40 Indian 4G runs Android v7.0 Nougat the latest version of Android and is powered by a 1400mAh removable battery. The Karbonn A 40 Indian 4G is a dual SIM smartphone that accepts. Connectivity options include, 2G, 3G and 4G (with support for Band 40 used by LTE networks in India). Sensors on the phone include Gravity Sensor.