Help Zone - Frequently Asked Questions
If you joined by credit card, please use your mobile phone to cancel your membership. Go to "Join by Credit Card" link in the site which you joined, scroll down to find a link "Cancel Membership" and follow simple instructions there. You can also cancel using your PC at www.mwallet.com
If you joined by SMS, all that you need to do is send a keyword STOP to the same short code as you subscribed to the service.