Without much story, let move straight to business, the first thing to do is to Download My Airtel for either your Android (6.6 MB) or iOS device (42.9 MB), install and launch the app (Ensure that the phone that has My Airtel app has the Airtel SIM card because you will find out why it is important for the SIM card to be in the phone very soon).
You will get to a page where you would be asked to type in your Airtel number, type in the Airtel number that’s in the device you’re using to register, wait for some seconds to receive an OTP from Airtel and you will receive it. You do not need to bother about typing it down in a space box as it will pass through the auto-verification process by itself in the app. This is why it is necessary for the number you wish to receive the free data with has to be active on the same device you’re trying to register with.
When it passes the auto-verification process, you would be logged into the app now wait for some seconds and you will receive a text message from Airtel that should read;