 NDTV | Karbonn launches A3, A4 and A6 budget Android smartphones NDTV Karbonn A6 is a dual-SIM smartphone that runs on Android 4.0 (Ice cream sandwich). It comes with 104MB of internal storage and can be expanded by up to 32GB via microSD card. For camera, there is a 5-megapixel rear shooter and VGA one at the front. Karbonn A3, A4 Budget Android Smartphones with Dual Cameras Launched Karbonn A4, A3 low cost Android smartphones launched Karbonn A6 4-inch Android ICS price won't hurt |