Most of the iOS users are getting a frustrating error The iPhone [device name] could not be restored. An unknown error occurred (4005) when trying to restore or update their iPhone, iPad or iPod. The Error 4005 is a similar iTunes error like 4013 and 4014 which show up due to technological erection. Well, it is not that much of a big barrier to fixing iTunes Error 4005 in iPhone or iPad, you will get here every solution about this most annoying issue.

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Well, there are many possible reasons like suddenly disconnecting USB cable, iCloud backup off, improper download of software or infection of the virus may result in the Error 4005 on your iOS devices while restoring iPhone or iPad. There are also several solutions that previously worked for some people; you can also try this remedies to solve Error iTunes 4005 in the iOS device.

How to Fix iTunes Error 4005How to Fix iTunes Error 4005 When restoring iPhone/iPad

Before start fixing iTunes Error 4005, check following items.

  • Make sure that your device has enough space.
  • Check your iTunes is running latest version.
  • Charge your iPhone fully.
  • Update your system-Mac or PC.
  • Use Apple’s original USB cable.

Solution #1: Update your iOS device again

Apple’s first solution to fix Error 4005 in iPhone is updated to the latest version of the iOS on your device. Try this steps.

Step #1. Install the latest version of iTunes.

Step #2. Restart your iOS device

  • On an iPhone 7 or 7 Plus: press and hold both the Sleep/Wake and Volume Down buttons for at least ten seconds, until you see the Apple logo.
  • On iPhone 6 and earlier- press and hold both the Sleep/Wake and Home buttons for at least ten seconds, until you see the Apple logo.

Step #3. Connect your device to computer using USB cable.

Step #4. Now iTunes ask you to update or restore, click on Update to reinstall iOS.

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If you continue to see the error during update, then try other alternatives which are bellows.

Solution #2: Update your Mac or PC

The outdated OS is possibly on of the major reason for all issues that you may face on your device while doing any process. Sometimes the latest iTunes version is not working better with the older version of the computer. So update to the latest version of the operating system is one of the working solutions of the Error 4005.

Solution #3: Check the USB cable or Use another USB port

Sometimes the easiest solution to various errors is to change the USB port or cable. There may be the problem with the USB cable or port on your computer. Check USB cable every time before going to start any process. So check your USB cable and port when seeing the iTunes Error 4005 and see if there are is any positive result.

Solution #4: Restore your device on another computer

There are some reasons behind the iTunes Error 4005, mostly related to hardware. After making all efforts, if you still getting the same error then it is possible that your desktop has an issue. So now you can try to restore your iOS device on another Mac or PC and see if there is any improvement in the process.

Solution #5: Restore iOS device in DFU mode

Sometimes, you may get the best solution of the Error 4005 when you have to try to update your device in DFU mode. Well, I must say that this task is very risky because when you take this process, the DFU restore will delete your whole stuff. But, you will get rid of this error with DFU mode. Try this steps to restore iPhone in DFU mode.

Step #1. Connect your device to your computer.

Step #2. Turn off your device.

Step #3. Press and hold the Sleep/Wake button and Home button at the same time until iTunes says “iTunes has detected an iPhone in recovery mode.”

Step #4. Now release Home button, if you see complete black screen means that your device successfully entered DFU mode.

Step #5. You can restore your device now.

You may also read: How to Enter DFU Mode on iPhone 7/7 Plus

That’s it! Well, most of the time these methods would fix the iTunes Error 4005 in iPhone or iPad. We know that some of these solutions are very tough, and it may erase you all data, but you ought to try these methods to solve the Error 4005.

If anyhow, all our methods did not work for your then our last suggestion is you should go to the Apple’s contact page. If you have something to share us about the iTunes Error 4005, then you can give us your opinion in the comment section or our social media platforms.