The mobile phone received the card reader verification code of Dalian Song Feng Company.

Maybe someone else filled in the wrong mobile phone number.

You can uninstall the recently installed third-party software. If you receive it all the time, please back up your mobile phone data (phone book, SMS, multimedia files, etc. ), restore the factory settings (enter phone settings-reset-restore factory settings) and try again.

If there are still problems through the above methods, please bring the purchase invoice, maintenance card and machine to the service center, and the engineer will check and deal with the machine.