The text message indicates that the bill cannot be found.

There is no record of phone messages in the mobile phone list, but there is hidden software. There are some hidden software or applications that can't be found in the phone bill. Their purpose is to hide phone records and text messages from ordinary users. Most of these softwares need to be installed by professionals, and it is difficult for ordinary users to detect and remove them. If you suspect that hidden software is installed on your mobile phone, please conduct a comprehensive security scan or seek the help of professional technicians to detect and delete potential malicious software.