How to restore SMS chat history to its original state

There are four ways to find deleted chat records. These three methods are all based on you. First, you backed up the system before deleting it, which may be retrieved through system restore. Second, you opened a membership. , the chat records have been uploaded before deletion, and can be retrieved by re-downloading. The third is that the machine has been installed with monitoring, so you can search for the monitoring records. The fourth is that the newly deleted records, make sure they are not overwritten, can be retrieved by restoring the deleted records. This The method is more troublesome, and I have never used it. In theory, it should be possible to retrieve it