How To Get Free Airtel 1Gb 4G Data [OFFICIAL]

The title says it all.
Airtel Free 4g data:-
Good News For Airtel Users.Airtel is offering free 1 GB 4G data for just dailing 52122.And this trick is working almost all states in India, we also confirmed it in india. it has some requirements just read the post properly to avail it without errors,

Here is a proof:-

Airtel is giving 1Gb 4G free data for its customers a person must have some things to avail this offer,
The Requirements are:-
1.A Airtel Sim Card
2.That's it !

Insert Airtel 4g sim card, now Call 52122 don't worry it's toll free so it wont cost you, plus it will automatically cut. next check sit back and relax and you would get a message.

To check the balance Dial

1. To check balance, Dial *123*458# or *121*2#