Download and use 51 Credit Card Manager on your mobile phone to automatically add anti-fraud numbers.
The deletion method is as follows:
Log in to the official website of "Mobile QQ Synchronization Assistant" and click My Database
Use mobile QQ to scan the QR code to log in
< p>Verify the mobile phone number and synchronize it with the mobile phone address book.In the address book, select the phone number you want to delete and delete it.