Huawei mobile phone SMS is automatically deleted. What happened?

If the notification SMS and operator SMS in your mobile phone are lost, please try to solve them in the following ways:

1 Please check whether the "notification information integration" switch is turned on.

Notification Information Integration will automatically integrate the notification information with the same number. If "Notification Information Integration" is turned on, please check the top "Notification Information" in the "Information" of your mobile phone to see if there are any missing notification messages.

Please check whether the automatic deletion switch of notification information is turned on.

Turning on the automatic deletion switch will automatically delete the expired notification message. Please turn it on or off according to your actual needs:

Enter "information >; ? A three-point icon? > settings > advanced, and check whether the "automatically delete notification information" switch is turned on.

Please check whether a third-party housekeeper application is installed.

If you install a third-party housekeeper application and turn on the harassment interception function, the application may be automatically deleted. It is recommended that you check and modify the relevant settings.

Deleted information cannot be retrieved without backup.