First, install the old version of the software through iTunes.

The apps in the Apple App Store are all the latest versions. If you want to download the old software from Apple App Store, you can't, but we can download the old software through other channels, such as iTunes software installation.

Please click to enter a picture description.

If we usually back up the software on Apple's mobile phone through iTunes, we can restore the old version of the software installed before by restoring the backup.

Please click to enter a picture description.

Or you can download the old version of the software before installing iTunes and check whether there is any software before the old version in the iTunes update. (Note: Do not click Update Application)

Please click to enter a picture description.

Then all we have to do is connect the iPhone to iTunes, and then select the old version of the software in the application to install.

Please click to enter a picture description.

Second, download and install through other Apple applications.

In other Apple applications, there are often some software updates that are slower than the Apple App Store.

Please click to enter a picture description.

If there are still old versions of software on these applications, download and install the old version of Apple software in this way before the software is updated.

Please click to enter a picture description.