The number is useless. What should I do if I can't receive the text message and the previous folk song number is useless?

modify the mobile phone number through the bound email address, click the modify button below the secure mobile phone, and then select use secure email address for verification in the security voucher.

1. You can find "Mobile phone number successfully verified" in personal data, account settings and account security, and click "Unauthenticated" on the right. Because the mobile phone has been turned off, you will not receive the sent information, so you can see the following sentence: "If your mobile phone can't receive SMS normally now, you can fill out an application form for canceling security verification and the staff will help you cancel security verification." Just click on the blue "Application Form for Removing Security Verification" and follow the prompts. After canceling this mobile phone number, you can bind your new mobile phone to the account.