How do I stop an internet source from taking money off my cellphone balance?

OKAY IN DECEMBER I SIGNED UP FOR ONE OF THOSE FREE 10 RINGTONES. I WAS IN SUCH A HURRY I DID NOT READ THE TERMS. SO NOW EVERY MONTH IT TAKES 9.99 OFF MY BALANCE. HOW CAN I STOP THAT
How do I stop an internet source from taking money off my cellphone balance?
send the number text message that says STOP it should work
Reply:Cancel the service or go to your service provider and tell them not to honer that charge they should be able to help, if that fails change account such a new phone number
Reply:u can stop using it and what company do u have so u can call them and request
Reply:by being not being illiterate.