Karbonn A90 is a budget friendly smartphone launched by the company in the month of October 2013. The device has a display screen of 4 inch. There is a 1 GHz processor under the hood, coupled with a 512 MB RAM. There is a 512 MB internal storage and an expandable memory up to 32 GB. The device has a 5 MP rear camera and a 0.3 MP front camera. There is a 1400 mAh battery to charge up the device. Read here the full specification of Karbonn A90 smartphone.