How to unbind the mobile phone number bound by WeChat?

The steps are as follows:

1. Open WeChat, enter the "Me" page, and click "Settings".

2. On the Settings page, find the "Account and Security" option and click Enter.

3. On the account and security page, find the "Mobile Number" option, and then click Enter.

4. On the mobile phone number page, click the "Change mobile phone number" option.

5. Enter the verification code of the new mobile phone number to complete the replacement.

6. Return to the original mobile phone number page, click the "three points in the upper right corner" icon, and select "Unbind".

7. Enter the WeChat password for verification and complete the unbinding.