How to unbind World of Warcraft from your mobile phone?

1. Log in to your account.

2. Click "Account Overview" - "Security".

3. Click "Use SMS security protection to recover account" - "Update".

4. Click "Update Number" and choose to confirm the modification in the pop-up dialog box.

5. Enter the SMS verification code received and click "Submit".

6. Enter the new mobile phone number and click "Continue".

7. Enter the SMS verification code received by the new mobile phone number and click "Submit".

8. The mobile phone number update is completed and the original mobile phone number has been successfully unbound.