Access iPhone Software
Let's now turn our attention to where iPhone-related software is stored and how to access it, both on the Mac and on the iPhone.
On a Mac
In the sections Troubleshooting 101 (especially Update the iPhone, Update iTunes, View iPhone Crash Data, and Where the Update Files are) and Sync Your iPhone, I've covered the main iPhone-related files and folders on your Mac.
Update Files
The iPhone update files (the files that end in .ipsw, in
~/Library/ iTunes/iPhone Software Updates) are zipped archives. If you care to explore the contents of one of them, first duplicate it and then unzip it by changing its filename extension from .ipsw suffix to .zip. Now, you can Control-click (right click) its icon and choose Open With > Archive Utility. ...
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