How to complain about the successful replacement of qq secret mobile phone with mobile phone?

When you log in by changing your mobile phone, you can enter QQ Security Center to change your password mobile phone.

The specific steps are as follows

1. Open the browser and enter the QQ Security Center to enter official website.

2. After entering the interface, click Security Tools.

3. Pop-up window, enter the account number and password, and click Login.

4. After entering the interface, click the replacement option on the right side of the confidential phone.

5. Enter the interface and select I changed the number.

6. Enter the new mobile phone number, and then click OK.

7. Enter the previously bound confidential phone number, click OK, and then send a short message with your new mobile phone.