Question 131699 in Xcode Question posted in
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Xcode – Unable to prepare XYZ’s iPhone for development

A few days ago, I was able to build an iOS app, which I’m working on using Xcode, on my iPhone but this morning when I tried to build and run the app, I get the error message below and cannot build the app now.

Please check the connection to the device, and review all errors in
the Devices and Simulators window.

I’ve already added my apple id in the account preferences and assigned the project to a team on the Signing & Capabilities pane of the project editor.

And this is the screenshot of the error in the Devices and Simulators window.
enter image description here
My Xcode version is 13.0 and iPhone is 14.7.1

I get the notification of "build succeed" but nothing shows up on my iPhone, so could anyone please tell me what should take a look at or what can I do next?

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6

Answers


  1. Chosen as BEST ANSWER
    0

    I deleted deriveddata and it worked.


  2. 0

    I had this problem today on my iPhone 12 Pro Max iOS 15.1 Xcode 13.1, restarts of the iPhone and Mac didn’t help.

    In the end I made sure that the paired Apple Watch was unlocked and trusted after that no more error and I was able to build to the iPhone.

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  3. 0

    Try the following operations，it works for me

    1、deleted deriveddata
    2、Turn off the phone and turn it on again

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  4. 0

    I was running the latest version of iOS v15.3.1 and after hours of pain I found that the solution was to update Xcode to the latest version

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  5. 0

    Following solution work for me

    1. First check compatibility version for xcode with iOS version from following
      https://developer.apple.com/support/xcode/
    2. Now check the list of devices support to your Xcode from ‘Device Support’
    3. To get into ‘Device Support’ :: Open Finder -> Applications -> Scroll to Xcode -> Right Click -> Show Package Contents -> Contents -> Developer -> Platforms -> iPhoneOS.platform -> DeviceSupport
      This is the list of devices folder support for your Xcode
    4. Now check for your iOS version from iPhone device :: Open Settings from iPhone -> General -> About -> Software Version
    5. If the ‘Device Support’ folder does not contains the folder of your iPhone iOS Version, then you need to add respective folder from following link
      https://github.com/iGhibli/iOS-DeviceSupport/tree/master/DeviceSupport
    6. From above Github page, select device version & download zip file
    7. Now extract file & you will get the folder for your iOS version
    8. Copy this folder into Finder -> Applications -> Scroll to Xcode -> Right Click -> Show Package Contents -> Contents -> Developer -> Platforms -> iPhoneOS.platform -> DeviceSupport
    9. Disconnect device (if connected), restart xcode
    10. Before connecting device, delete derived data from xcode & clean cache using cmd + shft + k. Then make sure to reset ‘Location & Privacy’ from device :: From iPhone device go to Settings -> General -> Transfer or Rest Phone -> Reset -> Reset Location & Privacy -> Enter passcode to continue
    11. Now connect your iPhone device with macbook (through cable), xcode will detect your device & you can run your application
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  6. 0

    iOS 15.6 beta:

    https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-15_6-release-notes

    Known Issues

    Xcode 13.4 is unable to prepare iOS 15.6 beta devices for development. (93452791)

    Workaround: Use Xcode 13.3.1.

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