Could not locate device support files

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Created Feb ’24

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Hi, I own a MAC computer that runs on the Monterey operating system, version 12.7.3. I programmed a Flutter application and I want to try it on my iPhone 13 Pro Max, version iOS 17.3. When opening the application in XCode, there is this phrase next to the name of my device (Could not locate device support files).

I downloaded the Xcode 15 beta version, but when I unzip it I get this error (You have macOS 12.7.3. The application requires macOS 14.0 or later.) and when I go to Software updates, it appears that I have installed the latest version. Please help me, what should I do?

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Answer 1

szymczyk OP

Feb ’24

If the solutions in the following article don't work:

https://www.swiftdevjournal.com/dealing-with-failed-to-prepare-device-for-development-error-message-in-xcode/

You won't be able to run and debug the project on your iPhone running iOS 17.3.

You have the following options:

Buy a new Mac.
Use Open Core Legacy Patcher to update your current Mac to the latest version of macOS so you can use Xcode 15.
Use an iOS device running iOS 16 or earlier to run your project.

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