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I am trying to run my app on an iPhone 5s. I plug in the device, but its name does not appear among the simulators as an option for Running; instead I just have the generic "iOS Device" option. In the Organizer window, I navigate to my device, which Organizer does recognize as having a valid provisioning profile. But when I click "Use for Development", I get this message:

dyld_shared_cache_extract_dylibs failed

The answer to a similar question seems to be outdated now. They suggested 'removing the "/Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.2.1 (8C148)" folder.' But that folder is no longer used in Xcode versions after 4.2. I am on Xcode 5.

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jesseilev
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1 Answers1

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This folder is now in the Xcode.app bundle. Open the Terminal app on your Mac, then:

$ cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport
$ ls
     4.2        4.3     5.0     5.1     6.0     6.1     7.0 (11A465)
$ rm -rf "7.0 (11A465)"

By the way, if this doesn't work, you might want to consider reinstalling Xcode and see if it fixes the issue.

iwasrobbed
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  • Thanks, so I managed to delete "7.0 (11A465)" as you described above, BUT, Xcode did not re-add it when i restarted. I still get the same error with the iPhone 5s. I assume I need to somehow re-add 7.0 as a supported OS in that folder. How do I do that? – jesseilev Oct 15 '13 at 17:20
  • btw, I would +1 your answer but I dont have enough karma yet :( – jesseilev Oct 15 '13 at 19:50
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    @jesseilev I have not run into that scenario before. You might try rebooting your Mac or running `sudo update_dyld_shared_cache -force` from the Terminal app. More info here: https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/update_dyld_shared_cache.1.html – iwasrobbed Oct 16 '13 at 03:59
  • By the way, if this doesn't work, you might want to consider reinstalling Xcode and see if it fixes the issue. – iwasrobbed Oct 16 '13 at 04:02
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    Success! I reinstalled Xcode and that worked. Full disclosure, I actually was still on the Xcode5 Preview, and I upgraded to the real Xcode5. – jesseilev Oct 16 '13 at 20:46
  • I tried deleting both 7.0 and 7.1 and it worked. But the directories were not generated. Not sure why they are there. – MLU Jul 04 '14 at 10:12
  • I tried running just "sudo update_dyld_shared_cache -force" from the Terminal app without deleting anything, that fixed the problem for me. – Phasma May 23 '16 at 12:05