Error codes can be annoying whether they are displayed on the iPhone or the iTunes desktop software while updating, restoring or downgrading iOS on your iPhone. They just pop up and remind you that something goes wrong. What’s more, there are so many different iPhone error codes that sometimes one can not get a quick judgment about the real problem. Have you ever encountered weird iPhone error codes? Wondering what they really mean?Below is a list of different error codes you might get on your iPhone or iTunes. With our explanation of what they mean, you can sure find the corresponding instructions to resolve them.Errors: 1, 3, 10, 11, 12, 13, 14, 16, 20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 1000, 1002, 1004, 1011, 1012, 1014, 1667, or 1669
Hardware issuesSometimes unknown hardware errors concerning either the iPhone or the computer can interfere with the connection between the two of them.Errors: 2, 4, 6, 9, 1000, 1611, 9006, 9807, or 9844
Security Software ProblemThe problem is caused by third-party security software, which is usually created by companies other than Apple. Once they interfere with iTunes while it tries to complete a restore or communicates with Apple’s restore servers, you may receive the error messages.Errors: 13, 14, 1600, 1601, 1602, 1603, 1604, 1611, 1643–1650, 2000, 2001, 2002, 2005, 2006, 2009, 4005, 4013, 4014, 4016
USB Connecting ProblemThese errors usually indicate that the USB connection between your iPhone and computer could have been interrupted. Mainly caused by a loose cable or a faulty USB hub.Errors: 17, 1004, 1013, 1638, 3014, 3194, 3000, 3002, 3004, 3013, 3014, 3015, 3194, or 3200
Networking And Communication ProblemsThese errors usually indicate that there is a communication problem between iTunes and Apple's update server, like downloading the new iOS firmware or making a connection with Apple’s servers to verify a restore.
Other Error CodesiPhone Error 9/4005/4013/4014
The iOS device disconnects during the update or restores process; iTunes couldn't recognize the device to restore.
iPhone Error 11/16
Not compatible library files.
iPhone Error 53
A device fails the security test; iOS detects non-official components, particularly the Touch ID fingerprint sensor in your device.
iPhone Error 54
A file on your computer or iOS device is locked.
iPhone Error 1015
Outdated or beta software problems. For example, a beta version of iOS or a jail-broken software on your device.
iPhone Error 1600/1601/1602/1603/1604/1611
iPhone Error 1671iTunes is downloading the necessary software.
iPhone Error 4014/4016/3194/3004/3194
No server response. (Solution: How to fix iPhone 6 no service)For other errors solutions, you can ask a question on our ASK FORUMS.
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