Huawei mobile phone prompts to receive messages undefined?

Huawei's mobile phone prompt "undefined" usually indicates an unknown error or status. This prompt may appear in different situations, which may be related to the software, application and system settings of the mobile phone.

The following are some common reasons and solutions that may cause Huawei's mobile phone prompt to be "undefined":

1. Application error: Some applications may fail or crash, resulting in the prompt "undefined". Please try to close and restart the related application, or update the application to the latest version.

2. System failure: There may be problems with the mobile phone system, leading to uncertain errors. Try to restart the phone, which can sometimes solve the temporary system failure.

3. Insufficient storage space: If the storage space of the mobile phone is almost full, some applications may not run normally. Clear the cached data of the mobile phone and delete unnecessary files or applications to free up storage space.

4. Software conflict: Some installed applications may conflict with the mobile phone system or other applications. Try uninstalling the recently installed application to see if it can solve the problem.

5. System update: If the system has just been updated, some instability may occur. Wait for Huawei to release a patch or try to revert to the previous system version.

If the above methods can't solve the problem, it is recommended to contact Huawei Customer Service Center or go to a service center authorized by Huawei for further diagnosis and maintenance. They can provide more professional support and help.