If you are running Xcode 13.2.1, you won’t be able to run your project on a device running anything newer than iOS 15.2. You won’t be able to run your Xcode project on a device running a newer version of iOS.įor example Xcode 13.2.1 ships with the iOS 15.2 SDK. The version of the SDK is the latest version of iOS that version of Xcode supports. The Xcode Releases site has a list of each version of Xcode along with the iOS SDK. You are getting the Failed to prepare device for development message because the device is running a newer version of iOS than Xcode supports.Įach version of Xcode ships with a version of the iOS SDK.
An alert pops up in Xcode with the message Failed to prepare device for development.
Now you try to run your Xcode project on that device. You update your iOS device to the latest version of iOS.
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