Activate 4G on your Airtel 3G Sim easily.

Today, I am going to amaze you with the latest and official trick for Airtel users.

Now you can enjoy 4G service on your 3G SIM, just follow these given steps below.

To avail Exchange your Airtel mobile SIM for a free 4G SIM Via Airtel Offer:

• Go to the site link given below

    

http://www.airtel.in/4g/sim-swap.html

• Select your region
• Fill the form
• Click on Get 4g
• Follow the steps to avail this airtel offer
• SMS SIM<20 digit SIM number> from your existing airtel connection to 121
• The 20 digit SIM Number is available at the back of your new SIM card
• Reply with 1 to confirm your request
• Wait for the phone to get disconnected from the network. Then change the SIM and switch it on to get connected again.
• Your new 4G airtel SIM will be active within 5 minutes
• No need to change your number

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