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Related errors: 17, 1004, 1013, 1638, 3014, 3194, 3000, 3002, 3004, 3013, 3014, 3015, 3194, 3200, or "There was a problem downloading the software," or say the "device isn't eligible for the requested build.". These alerts mean that your computer is either having difficulty contacting the Apple update server or communicating with your device.
Check your computer for software or settings that might cause communication issues between your computer and Apple or between your computer and your device.
If necessary, resolve any further issues with the USB connection, then with your security software.
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