How to get Free Airtel 1 GB 4G Data
Steps
1.Visit Airtel 4G Page
2.Enter your Number and Click Check if 4G Ready
3.Request 4G Sim (if you have a 4G mobile sim then neglect above steps)
4.Dial 52122 to get 1GB 4G Data.
5.To check balance dial USSD code.
*123*458# or *121*2#
