How to change QQ confidential mobile phone number

The steps to change the QQ confidential mobile phone number are as follows:

1. First open QQ, enter QQ number and password in the login interface, and click "Login".

2. After logging in, click the "Three Columns" icon in the lower left corner in the pop-up vertical box, and click "Settings" in the pop-up options bar.

3. In the pop-up system settings window, click "Security Settings", and then click "Apply for password protection".

4. Pop up the webpage of QQ Security Center, and you can see the current secret mobile phone. Click the blue Replace button on the right.

5. Choose whether the original mobile phone number is available according to the situation. If the original mobile phone number is not available, choose to change the number. If the original mobile phone number is still available, please select it. Select "I have changed my number" here.

6. Enter the phone number you want to change, and then click OK.

7. Enter the original bound confidential mobile phone number and click "OK".

8. According to the prompt, edit the short message on the mobile phone number that needs to be replaced and send it to the specified number. After sending, click "I send".

9. The prompt that the password-protected mobile phone was successfully replaced pops up, and the QQ password-protected mobile phone number was successfully replaced.