How to cancel the package by texting?

You can't cancel the package at this time. If you need to change the package, you can apply through Unicom's online business hall, mobile phone business hall and its own business hall. The application will take effect next month. In addition, business (such as docks, contracts, etc. ) If manual processing is needed in the background, it cannot be accepted from the last day of each month 18: 00, but the business directly handled by the system can be accepted. However, due to the excessive business handled at the end of the month, it is recommended to avoid the peak at the end of the month and handle it in advance. The specific business that can be handled shall be subject to the system prompt.