Trying to setup a new iPad Pro M5 device for development returns the "The developer disk image could not be mounted on this device." message.
The /Library/Developer/DeveloperDiskImages/iOS_DDI/Restore/BuildManifest.plist is missing any iPad17,* entries.
...
<string>iPad14,6</string>
<string>iPad14,8</string>
<string>iPad14,9</string>
<string>iPad15,3</string>
<string>iPad15,4</string>
<string>iPad15,5</string>
<string>iPad15,6</string>
<string>iPad15,7</string>
<string>iPad15,8</string>
<string>iPad16,1</string>
<string>iPad16,2</string>
<string>iPad16,3</string>
<string>iPad16,4</string>
<string>iPad16,5</string>
<string>iPad16,6</string>
-->
<string>iPad5,1</string>
...
What is the process for getting updated developer device support for Xcode 16.4? I am not sure Xcode 26.0.1 has them either.
Domain: com.apple.dt.CoreDeviceError
Code: 12040
Failure Reason: Error mounting image: 0xe800010f (kAMDMobileImageMounterPersonalizedBundleMissingVariantError: The bundle image is missing the requested variant for this device.)
User Info: {
DDIBuildUpdate = "17A321 (developerTools)";
DDIPath = "/Library/Developer/DeveloperDiskImages/iOS_DDI";
DVTErrorCreationDateKey = "2025-10-23 18:54:11 +0000";
DeviceFusing = prod;
DeviceIdentifier = "....";
NSURL = "file:///Library/Developer/DeveloperDiskImages/iOS_DDI/";
Options = {
MountedBundlePath = "file:///Library/Developer/DeveloperDiskImages/iOS_DDI/";
UseCredentials = 0;
};
"com.apple.dt.DVTCoreDevice.operationName" = enablePersonalizedDDI;
}
--
Error mounting image: 0xe800010f (kAMDMobileImageMounterPersonalizedBundleMissingVariantError: The bundle image is missing the requested variant for this device.)
Domain: com.apple.mobiledevice
Code: -402652913
User Info: {
FunctionName = AMDeviceRemoteMountPersonalizedBundle;
LineNumber = 2127;
}
--
Failed to initialize image properties: 0xe800010f (kAMDMobileImageMounterPersonalizedBundleMissingVariantError: The bundle image is missing the requested variant for this device.)
Domain: com.apple.mobiledevice
Code: -402652913
User Info: {
FunctionName = "-[PersonalizedImage mountImage:]";
LineNumber = 1793;
}
--
Failed to find image for variant/identity: (variant: DeveloperDiskImage | boardID: 10 | chipID: 33090 | securityDomain: 1).
Domain: com.apple.mobiledevice
Code: -402652913
User Info: {
FunctionName = "-[PersonalizedImage initializeImageProperties:]";
LineNumber = 1039;
}
--
System Information
macOS Version 15.7.1 (Build 24G231)
Xcode 16.4 (23792) (Build 16F6)
Timestamp: 2025-10-23T11:54:11-07:00
Topic:
Developer Tools & Services
SubTopic:
Xcode