Airtel — not resolving my complaint of data using

Address:

Sonipat, Haryana, 131001

I am using a prepaid number of airtel and recharged it with rs.445 which offer me to use 1 gb data daily but i am not availing that.
I have filed complaint regarding this with airtel but they haven't resolve that.
Complaint number is cbnrd[protected].
According to them i-phone 5 is not a 4g compatible handset while i am using this hamdset from last 2 years and using all 4g services as it is compatible.
This is a 4g handset but airtel custmer care making fool by saying this that it is not.
Kindly help me out regarding this.

Sumit
Contact number - [protected]