Upgarde to Airtel 4G and Get 1GB Data Free

How to get Free Airtel 1 GB 4G Data?

• Visit Airtel 4G Page http://www.airtel.in/4g/sim-swap?
• 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#