All this is possible by an App called DroidVPN. The developer of the App is DroidVPN Inc. And it is rated 3.8 stars on Google Playstore. Highly Recommended – How to Unlock Computer with your Android phone.
Features of DroidVPN-
1. This trick is working in almost all states.
2. Downloading speed upto 200 KBPS.
3. It works with 0 balance.
4. You can use any browser in this trick.
5. You can use upto 100 MB per day. Means 100 MB*31 Days = 3100 MB.
Steps to Airtel free internet trick-
2. Now open the App and enter your account details. If you don’t have DroidVPN account then create it. It’s Free.
3. Then after login, Click on “Setting” icon.
4. Now click on “Connection protocol” and select “TCP”.
5. Now click on “HTTP Header” in the settings and enter any HTTP headers as given below [Just Copy & Paste].
6. Now restart your smartphone.
7. Now turn on your Data connection but be sure that there 0 balance in your Sim.
8. Now connect using Free Server 6 [The Netherlands server].
9. That’s it, now you will be successfully connected. If you do not get connect in first attempt, then try again till it get connected. Because sometimes there is heavy load on server.