Updates are inevitable. In fact, we had just gotten two carts updated to the most recent iOS Firmware when the next day a new update was out. If you have updated multiple iOS devices at all, you know there is a limit to 1 device being updated at a time in iTunes. With each update taking up to 20 minutes, a cart of iOS devices could take quite a long time to update. Because of this, I was excited when I came upon this post from the Canby School District Wiki. The entry, entitled MacGyver Chronicles, Episode 2: Restoring Multiple iOS Devices Using Xcode Organizer, overviews how you can update as many iOS devices as you want to the most recent Firmware at the same time. While this solution is not perfect, it does work much better than one at a time updating.
Essentially, all you do is purchase Xcode from the Mac App Store for $4.99. Then, it works much like the iPhone Configuration Utility in that your device shows up on the left side. Click "Use for Development," choose the OS you want, and click restore. From there, Xcode does the rest. You can be restoring as many devices as you want all at the same time. Which leads me to the one downfall with this, Xcode restores, not updates, the device. This means once the device is restored, you have to go back into iTunes to restore an old backup onto the iOS device.
In the end, while not perfect, it did knock quite a bit of time off of the update process of the two tested. It is definitely worth the $5 investment. Some things to note about Xcode. First, it took about 2 hours to download wirelessly from the Mac App Store (it is 4.5 GB!). Then, it took almost 45 minutes to install after it was downloaded. Just don't expect to start right out of the box as it will take all morning just to get Xcode up and running. Once it was up and running, it was very easy.
I would recommend this as a way for more advanced users to update any iOS devices.
**Cross-posted to the eMobilize Wiki**
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