Convert 2G Plan To 3G Plan In Airtel Trick IIts Working February-March 2013

First recharge for 98rps gprs plan.
after that activate 3g by sending sms 3g to 121.
First u hve 2 use 2g speed gprs plan for sometime.
For atleast 30 to 50 mb..After nly u will get 3g speed..
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