How to cancel the reserved mobile phone number in cancer hospital

1. First open the official account page of WeChat and click "I" in the menu bar.

2. Secondly, click Settings in the page that appears, click Privacy in the page that appears, and click Authorization Management at the bottom of the page that appears.

3. Then your bound mobile phone number will be displayed in the page that appears.

4. Finally, if you want to unbind, please click Manage Unbind in the upper right corner.