Airtel, Karbonn launch A40 Indian with 4G VoLTE at Rs. 1,399: Specs and more

Indian telecom operator Airtel and smartphone maker Karbonn have partnered to bring a 4G VoLTE smartphone at the price of a feature phone. At an effective price of Rs. 1,399, you can buy the Karbonn A40 Indian for existing or new Airtel prepaid number.
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