1) First of all Dail a Number from your Airtel Mobile – 52122
2) You Will get a Successful message, “You got 2 GB 4G data for 10 days”.
3) Now Check Data Balance by dailling a ussd *121*2#
4) Enjoy Free Internet.
Airtel Free 2GB 4GB Data Loot – Get Free 2 GB 4G Data by dailling 52122
number. This offer is valid for few 4G Enabled States in India.So Hurry up and give it a Try.