1. This Trick Is Given By - www.aboutallhacks.net
Steps:-
1. First Of All,Deactivate The All Internet Services Running
Into Your Phone.
2. Put The Sim Card Into Gprs Enabled Java Mobile Phone Like Nokia 3110
Nokia 5310 etc.(do not put sim card into symbian or android)
3. Now Do This Step Very Smartly, Call The Customer Care and
Tell Them That You Are Not Be Able To Run The Zero Rental Pack On
Your Mobile and Your Not Be Able To Get The Internet Settings
On Your Mobile.
In Minutes They Will Activate The Zero Rental Pack Into Your
Mobile sim card & You will Also Get The Gprs Settings.
4. Now Check Either airtelgprs.com Is Working,if Yes Then Your
Sim Is Unblocked...!
This Trick Is Made By - Happie Janda(www.aboutallhacks.net)