FREE SEND UNLIMITED SMS TRICK FOR AIRTEL With zero balance

FREE SEND UNLIMITED SMS TRICK
FOR AIRTEL With zero balance
For nokia mobiles
Step-1
go to settings>connectivity>packet
data>always online
Step-2
go to messages>message
settings>text message settings>use
packet data>yes or(some model ) preferred connnection-->click mobile data.
Now send unlimited sms anywhere

Note: maintain balance zero .