Abnormal sending and receiving SMS.

Signal problem, mobile phone setting problem, operator problem, SMS software problem, mobile phone hardware problem and other reasons.

1, signal problem: If the signal in the area is not good, it may lead to abnormal SMS sending and receiving. You can try to move to a place with a good signal, or restart your phone and try again.

2. Mobile phone settings: If there is something wrong with the mobile phone settings, it may lead to abnormal SMS sending and receiving. You can check the SMS settings to ensure that the SMS center number is correct.

3. Operator problem: If the operator fails, it may lead to the failure of sending and receiving short messages. You can contact the operator's customer service to find out if there is any relevant fault information.

4. SMS software problem: If there is a problem with the SMS software used, it may lead to abnormal SMS sending and receiving. You can try to change the SMS software, or restart your phone and try again.

5, mobile phone hardware problems: If there is a problem with the mobile phone hardware, it may lead to abnormal SMS sending and receiving. You can try to restart your phone and try again. If the problem still exists, I suggest you contact your mobile phone for after-sales maintenance.