1) Hi frendzzzzzzzzz.........
here is the trick for free sms exclusively for airtel.
change your message centre no. to +919898051916
and send sms via gprs
or in some mobiles it is like use PACKET DATA.
and in settings make gprs always available.
when G IS AVAILABLE then you can send free sms.
also make delivary report off if you want to send multiple messages.
otherwise it will cost you.
enjoyyyyyyyyyyyyyyyyy.
2) 2nd Trick Free Sms activationchange msg center number to
+919840011005.Free sms trick 2call customer care tell them u have
activated free sms pack but still u losing money for sms.They take
request and u'll get free sms for few days.