How does Tik Tok unbind the phone number?

Tik Tok cannot unbind the mobile phone number, and can only change the bound mobile phone number. Next, I'll show you how to operate it. The specific operation steps are as follows:

1. First open Tik Tok and click "I", as shown:

2. Then click on the "three" in the upper right corner, as shown:

3. Then click "Settings", as shown:

4. Then click on the "account and security", as shown:

5. Then click "mobile phone binding", as shown:

6. Then click Replace, as shown:

7. Finally, enter a new mobile phone number and get the SMS verification code, as shown in the figure below: