Xcode error "Could not find Developer Disk Image"
I personally downloaded Xcode 6.4 beta and 7.0 beta and I was very happy to find the solution by searching "8.4" inside the application folder of the 6.4 beta. By doing this, I found the folder
8.4 (12H4125a) containing the iOS 8.4 image and I copied this folder to the same path of the 7.0 beta. The path is the following:
When you will reopen Xcode 7 and choose your device, there will be an error message; just click on
fix issue and that should do it!
This error occurs when the version of Xcode predates that of the device.
For example, attempting to run a build on a device running iOS 9.3 in Xcode 7.2 results in this error;
Could not find Developer Disk Image.
Why an error message that actually describes what the hell is going on can't be provided is beyond me (Apple, I'm looking at you 👀).
Update to the latest version of Xcode through the App Store or via direct download to guarantee interoperability with connected iOS hardware.