How to get Free Airtel 1 GB 4G Data

Here is an amazing offer for Airtel users. Where they are giving you Free Airtel 1 GB 4G Data. The offer may work for select users. To avail this offer you must try only in 4G or LTE Device. Upgrade your sim from 3g to 4g here if you haven’t done it yet.To grab this offer, Please check below mention some easy steps.

http://www.airtel.in/4g/sim-swap?icid=4ghome_si...

Enter your Number and Click Check if 4G Ready
Request 4G Sim
Dial 52122 to get 1GB 4G Data.
To check balance dial USSD code *123*458# or *121*2#