1. Open my personal homepage on WeChat and select the setting function, as shown in the figure below:
2. After coming in, select Account and Security, as shown:
3. Then, we click "Mobile Number" again, as shown in the figure:
4. In this page, click "Change Mobile Phone Number" here, as shown:
5. After entering the mobile phone number to rebound, click "Next", as shown:
6. Then fill in the verification code and click "Next" again, as shown in the figure:
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7. In this way, WeChat unbinds the current mobile phone number, and now it has bound your new mobile phone number.
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