Expanded manufacturer code library

Apple expanded error-code library

Choose the exact product family first. The same characters can have unrelated meanings on a different device.

ProductExact codeMeaningFirst safe checkService boundary

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14 complete records in this directory

Apple iPhone or iPad codes14 additional code groups

Reviewed records

14 exact answers

Not sure where the fault is?

Apple iPhone or iPad · exact code

Apple iPhone or iPad code 1, -1: meaning and exact next steps

1, -1 means A baseband, hardware or low-level restore fault may have occurred. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 10: meaning and exact next steps

10 means The iOS device may require a newer host or the restore software is not supported. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 14: meaning and exact next steps

14 means The restore/update could not complete because of a USB, storage or software-package problem. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 1671: meaning and exact next steps

1671 means The host is still downloading required software. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 2009: meaning and exact next steps

2009 means A USB communication problem interrupted the operation. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 21: meaning and exact next steps

21 means Security software, USB communication or hardware prevented restore. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 3194: meaning and exact next steps

3194 means The computer could not communicate correctly with Apple's update server or requested software was not eligible. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 40: meaning and exact next steps

40 means A hardware or communication problem prevented update/restore. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 4005: meaning and exact next steps

4005 means The device disconnected or could not complete restore communication. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 4013: meaning and exact next steps

4013 means Communication or hardware interrupted an iPhone/iPad update or restore. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 4014: meaning and exact next steps

4014 means Communication or hardware interrupted the update or restore. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 53: meaning and exact next steps

53 means The device could not pass a hardware/security check during update or restore. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 56: meaning and exact next steps

56 means A hardware or communication failure interrupted restore/update. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Apple iPhone or iPad code 9: meaning and exact next steps

9 means The update/restore connection was interrupted or the device could not complete recovery. This answer applies only to Finder, Apple Devices or iTunes update/restore errors for iPhone and iPad; exact hardware, cable, host and security software matter.

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Structured depth, not empty permutations

Every published record carries a direct answer, scope, ordered fixes, risk notes and sources.

Device and manufacturer hubs share a consistent record system, but each answer carries the relevant controls, fault boundaries, consequences and official support entry point for that platform.

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