How does Unicom cancel the international traffic package? What is the SMS code?

According to the different flow treasures handled, the cancellation methods are also different. For example, Unicom 166 metadata roaming monthly package: cancel sending "QXGJMY 13" to 100 10, and the package will take effect at 0: 00 the next day. Unicom Changyou Hong Kong Traffic Package: Cancel sending "QXGJMY 12" to 100 10, cancel the application on the same day, and take effect at 0: 00 the next day. Unicom 66 Metadata Roaming Day Package: Cancel sending "QXGJMY 1 1" to 100 10. The cancellation will take effect at 0: 00 the next day. You can also call the hotline 100 10 to inquire or cancel the traffic package.