How to Fix iTunes Error 4005 with 8 Methods

Searching for solutions to fix iTunes error 4005 when failed to update or restore your iPhone/iPad/iPod via iTunes? This tip offers 8 top solutions to help you fix this issue.

Joy Taylor Last Updated: Aug. 19, 2020

Recently, many iOS users come across an annoying trouble – iTunes error 4005 when trying to update their iDevice to the latest iOS version via iTunes. If you also met the same problem and your iPhone, iPad and iPod failed to update, keep reading you’ll find solution here.

iPhone Could not be Restored. An Unknown Error Occurred (4005)

iPhone Could not be Restored. An Unknown Error Occurred (4005)

What is iTunes Error 4005

iTunes Error 4005 is a very common fault of iPhone, iPad and iPod, which usually occurs when updating or restoring your iDevice via iTunes. Lots of different possible reasons may cause this error, for instance, the iOS system problem on your iDevice, the version of iTunes, the USB connection condition and USB port of your computer, some virus infection and so on.

How to Fix iTunes Error 4005

In order to help you solve this annoying problem, this article sums up 8 probable solutions that usually use to heal the error 4005 in iTunes. Hope that one of these solutions below would be useful to you.

Solution 1. Restart iTunes and Computer

Sometimes, the simplest way can fix problem without effort. Like some registry and file management errors in iTunes can be solved via restarting. Sometimes, it turns out that restarting iTunes when iTunes error 4005 occurs often works.

If restarting iTunes hasn’t solved the issue, then you can try to restart computer to clean up the registry and resolve any issues with iTunes and device connectivity.

Solution 2. Check the USB cable & USB port

Sometimes iTunes error 4005 may occur with the problem of the USB cable or the USB port of computer. So, it is necessary to try another cable or change a USB port.

Solution 3. Quickly Fix iTunes Error 4005

Here is a quick way to fix iPhone cannot be restored when you receive the message says “The iPhone [device name] could not be restored. An unknown error occurred (4005)”, which is AnyFix – iOS System Recovery & iTunes Repair. AnyFix is designed to fix various iOS/iPadOS/tvOS/iTunes issues in minutes, and bring your Apple devices back to normal without data loss. Here are some main features of it:

Now, here is the latest version of AnyFix. Grab it on your computer and follow the steps below to fix iTunes error 4005:

Free Download

Free Download

* 100% Clean & Safe

Free Download * 100% Clean & Safe

Step 1: Open AnyFix and you will the its main functions > Click iTunes Repair.

Tap on iTunes Repair from Homepage

Tap on iTunes Repair from Homepage

Step 2: Here choose iTunes Connection/Backup/Restore Errors, which will help you with iTunes error 4005 > Tap on Scan Now.

Choose iTunes Connection/Backup/Restore Errors

Choose iTunes Connection/Backup/Restore Errors

Step 3: Once the scanning process finished, you will see the list of iTunes component errors > Click Fix Now button. And AnyFix will start repairing. Once the repairing process finished, you will a Repair Completed page. And the iTunes errors you’re facing should be fixed.

Solution 4. Force Restart Device

To fix iTunes error 4005, you can try to force restart your iPhone, iPad and iPod. Sometimes, this method works.

  • iPhone 8 or later: Press and quickly release the Volume Up button. Press and quickly release the Volume Down button. Press and hold the Side button until you see the Apple logo.
  • iPhone 7 Series: Press and hold both the Side/Top button and the Volume Down button until you see the Apple logo.
  • iPhone 6s or earlier: Press and hold both the Side/Top button and the Home button until you see the Apple logo.
Hard Reset iPhone

Hard Reset iPhone

Solution 5. Check the Battery

When the battery of your iOS device is in a low state, the lack of power may cause this iTunes error 4005. So, make sure your iOS device has enough power.

Solution 6. Update iTunes to the Latest Version

Older versions of iTunes are prone to leads conflict between hardware and software handling; hence update iTunes to the latest version is with no doubt.

Check for iTunes Updates on Windows

Check for iTunes Updates on Windows

Solution 7. Update your Computer

If your computer is not up to date that also may cusses this error, therefore, you should check for updates to your Mac or PC.

Solution 8. Restore iOS device in DFU mode

Sometimes, put your iOS device into the recovery mode may get everything going again when you failed to install or upgrade your device. If not, you can also have a try on DFU mode. A Default Firmware Update will rebuild the structure of the software running on your iOS device, you’ll take a risk of losing everything because when you carry out a DFU restore absolutely everything is deleted. But it’s exactly a possible solution to fix iTunes error 4005.

Bonus Tip: Introduce an iOS Data Recovery Tool

PhoneRescue is designed to help both iOS and Android users to recover any lost data, and PhoneRescue – iOS data recovery could help you recover any deleted data from iOS devices, iTunes backup and iCloud backup. Besides recovering lost iOS data, PhoneRescue – iOS data recovery has amazing iOS repair tools that can fix iOS devices stuck in recovery mode, stuck on black screen and white Apple logo, etc. If you unlucky encounter such cases, why not download PhoneRescue – iOS data recovery to have a try.

PhoneRescue for iOS Screenshot

PhoneRescue for iOS Screenshot

The Bottom Line

That’s all for how to fix iTunes error 4005, hope there is one of them that can get your problem solved. And AnyFix can fix the most common and complicated iTunes errors, just download it and solve iTunes restore error or other errors.

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Joy Taylor Twitter Share Facebook Share

Member of iMobie team as well as an Apple fan, love to help more users solve various types of iOS & Android related issues.

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