Airtel 4g Free Internet is available for all 4g smartphones. Bharati Airtel operator gives free 4g airtel data to all the customers. This is a missed call get free sample 2017 offer. Dial 52122 from your smartphone. Call will be disconnected and a message will be send to you. The amount of free data you would be getting will be written in the message. Very soon Airtel will be offering new 4g smartphones at just Rs.2500. It will have bigger display and camera in comparison with Jio 4g set. Place your order.