Karbonn A25 is a dual-SIM phone packed with Android v4.1 (Ice Cream Sandwich) operating system and 1GHz dual core processor. It has 5 inch capacitive touch display for better viewing experience. The phone has 5MP camera with LED flash on back and a VGA camera on front. For connectivity, it has GPRS, Bluetooth, Wi-Fi, and USB. Other features include 2000 mAh battery, GPS, GTalk, music player, and 32GB expandable memory.