How to cancel the flow refueling package by sending SMS from Ningxia Unicom mobile phone card?

Ningxia Unicom users cancel traffic packets:

If your number is 3G domestic traffic package, you can send a short message to 100 10, and the unsubscribe will take effect the next month.

If your number is 3G provincial traffic package, you can send a short message to 100 10, and it QXLL be cancelled at the end of the month.