I'd like to recommend creating a account so me or other members can assist you, as guest have limitations in replying here and if we need further Information to communicate with you.
I'll provide a link to register, please come back to your post so we can further assist you . Thank you
that is between you and your service provider. sometimes you can downgrade your account but basically you are out of luck if you are on some sort of contract and/or phone payment plan and you want to cancel completely