Airtel is now offering an amazing offer on her SIM Where you can Exchange your Airtel mobile SIM for a free 4G SIM From Airtel.in

1. Click here to get Airtel 4G Sim Free 

2. Enter Detail and Submit

3. SMS SIM <20 digit SIM number>from your existing airtel connection to 121

4. The 20 digit SIM number is available at the back of your new SIM card

5. Reply with 1 to confirm your request

6. Wait for the phone to get disconnected from the network. Then change the SIM and 7. switch it on to get connected again.

8. Your new 4G airtel SIM will be active within 5 minutes

9. No need to change your mobile number

10. You can also upgrade to an airtel 4G SIM at the nearest airtel store