How does Unicom unsubscribe from SMS package?

Local and municipal policies are inconsistent. For example, the handling method of Henan SMS package is as follows:

1. SMS mode: send "GBDX3", "GBDX5" and "GBDX 10" to 10 to cancel the SMS package for 3 yuan, 5 yuan and10;

2. Other ways: cancel this business through business hall, online business hall, mobile phone business hall and other channels.

Tips: Unsubscription will take effect the following month. The actual situation is subject to the Unicom policy of the number attribution.