Developer-registered iOS devices cannot be restored to older iOS releases

Originator:benjamin.broll
Number:rdar://11088112 Date Originated:3/20/2012
Status:Open Resolved:No
Product:iPhone/iPod touch Product Version:iOS 3.0+
Classification:Serious Bug Reproducible:Always
 
Summary:
iOS devices cannot be restored to iOS versions prior to the latest releases. However, this is necessary for iOS app testing. Therefore, registered developer devices should be allowed to do this.

Steps to Reproduce:
 - Register a device in the iOS Provisioning Portal.
 - Use Xcode or iTunes to attempt to restore this device to a release of iOS before the latest.
 - Note that an error is received, and this is not possible.

Expected Results:
Developer iOS devices should be able to be restored to iOS versions prior to the latest release.

Actual Results:
They are not able to be restored to prior iOS releases.

Regression:
This was added to all devices available after the iPhone 3GS. In addition, the same restriction was added to devices releases prior to the iPhone 3GS when iOS 4 was released.

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