How to cancel 30 yuan Internet subscription via SMS? urgent

Hello, if you are a Beijing mobile number, you can edit the short message "QXSJLLTC" to 10086, and then you can cancel all mobile data packages. Cancellation in the current month will take effect next month, and the remaining mobile data in the package can continue to be used in the current month. Of course, you can also cancel this service through the Beijing Mobile website. After logging in to the website, select Online Business Hall-Business Handling-Mobile Data Traffic Business in turn, and then cancel. Please refer to.