Free 500MB Airtel Data

Hello..! Guys

               
              Get 500 MB free Data by following simple steps

Steps:
           
         1) Visit offer page only using yous Airtel 3g sim                                     http://3gdongle.airtel.in/
          2) login in to ur account nd click on "add alternate contact                    details"
          3) enter your OTP you receive 
          4) Update your contact details
          5) Free data will be added to your account
          6) check ur balance at *123*11#