How does iPhone back up SMS?

IPhone backup SMS operation is as follows:

1 first open the start menu, or find 9 1 mobile assistant in the desktop shortcut icon, and click Open, as shown in the following figure:

2? Click the "More Functions" button at the top of the 9 1 mobile assistant window interface, as shown in the following figure:

Then you will see many practical functions of managing mobile phones, including the required SMS backup function. Click on "SMS management", as shown in the figure below:

You can see the short messages on your current mobile phone. You can choose to back up some or all files. After selecting them, click "Import and Export" at the top of the window, and then select the file format to be exported, generally choose the txt text format, as shown in the figure below:

5? Finally, select the location where the exported file is saved, give it an easy-to-remember name, and click "Save" to complete the export operation, thus successfully backing up the SMS on the mobile phone, as shown in the following figure:

Note: You must keep the phone powered on.