Karbonn has lunched three entry level android smartphones in the Rs.5000 price segment solidifying the cheap-budget phone market. Karbonn has named these phones by its usual nomenclature- A3, A4, and A6. All these are dual-sim android powered smartphones, but lacking 3G network connectivity. They do support GPRS/EDGE mobile net feature. Karbonn A3 houses a 3.5-inch