Received a short message from the mobile company, indicating that it has been used abnormally recently.

It means that the mobile phone number is in an abnormal state, and the related services of the mobile phone operator can not be used normally, such as calling, texting, data connection, etc. And it is also impossible to handle related businesses, such as changing packages.

This may occur for the following reasons: 1, operator internal system error. 2. The number has dropped. 3. This number is in the state of loss reporting. This number is blacklisted by Unicom.