What should I do if the QQ secret phone number is changed? How to change a secret mobile phone?

1. Open the QQ client, and click enter through the main menu-Security Center-Security Center Home in the lower left corner of the QQ panel.

2. After entering the QQ Security Center, click "Secure Mobile Phone" under the security toolbar.

3. Enter the password-protected mobile phone settings page, and click Replace password-protected mobile phone.

4. Choose to replace it with a secret protection tool (if you have other options, you can try it yourself).

5. SMS verification, click "Get Verification Code", fill in the verification code after the mobile phone receives it, and click Verify.

6. If the mobile phone has been lost or replaced and is no longer used, you can select the confidentiality protection question through "Can't detect it, change it" below, fill in the confidentiality protection question, and then click Verify.

7. Enter a new mobile phone number, click to get the verification code, enter the verification code, and click OK to complete the final modification and replacement.

References:

Secret security replacement -QQ security center user feedback