To unbind the address book, WeChat can unbind the mobile phone number:

1. Enter the main interface of WeChat, and the avatar pattern "I" is located in the lower right corner of the main interface.

2. Then find the "Settings" command in the WeChat account information, and click to enter the Settings option.

3. In the setup command, find the command "Account and Security" and click "Account and Security".

4. In this project, find the "mobile phone number" and you can see the mobile phone number bound by the micro signal now.

5. You can enter the option of "binding mobile phone number" and find three points in the upper right corner of this boundary.

6. After clicking these three points, the option of unbinding the mobile phone number will pop up. Click Unbind Mobile Number to unbind the mobile number.