By Wian LJ, Last updated: March 20, 2019
“Error 4005?? What does this pop up message ‘The iPhone [device name] could not be restored. An unknown error occurred (4005)’ mean and how can I fix iTunes error 4005
Not knowing the cause of the problem is the worst part is facing technical issues. Just like the iTunes Error 4005, it is an error which could not be identified and it has affected iOS devices like iPhone, iPad, and iPod Touch.
This error frequently occurs during the process of updating or restoring which interrupts the whole process and leaves you hanging with a useless phone. However, before you get iTunes Error 4005, you will see signs and symptoms that could lead to this problem. If you notice any of the followings below, then start finding ways to get rid of iTunes Error 4005.
Since there could be a lot of possible reasons that will trigger iTunes Error 4005 to your iPhone, let us go down to the methods on how to fix this annoying problem.
You may have searched the entire web trying to solve this problem but it seemed useless. In this article, we have summed up the best and effective ways to fix iTunes Error 4005. Find out which among these will work for you.
Solution 1. Restart iPhone and Computer
This basic troubleshooting is popular among almost all mobile issues. Restarting will help refresh the iOS device and its operating system.
To restart your iPhone
Restarting the computer may help too. We bet you are already familiar with the steps on how to restart the computer whether you are using Mac or Windows.
Solution 2. Update iTunes
Outdated iTunes is not compatible with the latest iOS devices and sometimes cause iTunes Error 4005.
To update iTunes on Mac
If there is an available update, download and install it on your Mac computer and once completed, try to connect the iPhone and redo the process.
To Update iTunes on Windows 10
If there is no available update, it means that you are currently using the latest version. Hence, if this does not resolve iTunes Error 4005, consider doing the next steps.
Solution 3. Update Computer’s Operating System
Another factor to consider in troubleshooting iTunes Error 4005 is your computer’s Operating System. Check if you have the latest version by following these:
On Updating Mac OS
Solution 4. Check USB Ports
Most of iTunes Error 4005 and other error codes are particularly pertaining to the hardware connections of the devices. These errors mean that there is no established connection in between or unable to read the communication from both devices or not able to communicate at all. Before going deeper in troubleshooting your iPhone, try using a different computer and connect the iPhone or use a different USB port. Test whichever works for you. If this will fail then think about other advanced methods to fix iTunes Error 4005.
Solution 5. Force Restart
Some users reported having fixed iTunes Error 4005 by simply force restarting their devices. To force restart your iPhone:
For iPhone 7 and higher (also applicable for iPad and iPod Touch)
Press and hold both Sleep/Wake and Volume Down (-) buttons for 10 seconds until you see the Apple logo appears.
For iPhone 6 and lower (also applicable to iPad and iPod Touch)
Press and hold both the Sleep/Wake and Home buttons for 10 seconds, until you see the Apple logo appears
Solution 6. Enter DFU Mode
DFU or Default Firmware Update works with the software structure of your iOS device. This can definitely fix the iTunes Error 4005 but this can result in deleting the entire settings, apps, and contents of the device. This is because DFU will be working its way from the foundations of the operating system and fixes all the possible errors along the way. In order to enter the DFU Mode on iPhone 7, follow these:
The Steps for Entering The DFU Mode
The best and most effective way to fix iTunes Error 4005 is by using third-party recovery programs. FoneDog iOS System Recovery has been proven by millions of iOS owners and users worldwide for any recovery issues and other system-related problems. This professional tool helps individuals resolve any iOS technical problems without the need for them to become experts.
FoneDog iOS System Recovery was developed with a user-friendly environment and a simple click-through process. It has fixed a lot of iTunes error XXX and other unexpected problems like stuck at Apple Logo, freezing and crashing, white screen black or blue screen and much more. To learn more
On any computer, Windows or Mac, search online for FoneDog iOS System Recovery and download.
Once you have downloaded the software, follow the onscreen installation guide and launch the program until you reach the main screen.
On the main menu, you will see a lot of tools related to recovery and troubleshooting iOS. Click iOS System Recovery among the given tools.
This time, you will need to connect the iPhone and the computer using an original USB cable. Click Start once the connection is established and detected.
On the next screen, you will see the make and model of the iOS device that you are using. You need to confirm the device name and model in order for FoneDog iOS System Recovery to download the latest firmware package.
After the firmware has been downloaded, FoneDog iOS System Recovery will now extract the firmware to your iPhone. This process may take a while but of course, help is nearer so it is better to wait than mess up the phone more.
Once the extraction is completed, it will now begin the repair. During the repairing, please make sure that the connection is still good to avoid any interruptions and arising issues.
After a few minutes, the iPhone device is now back to normal and had been updated as well. The best part is, no data was lost during the entire process. Everything is kept perfectly inside your device.
Error 4005 is a common problem that Apple has dealt with, however, the only thing that frustrates their users is, the resolution is the case to case basis. Which means, whatever works for you may not work for another user.
So you have to undergo a series of fixes to really get to the bottom of the issue and you have exhausted everything you got just to fix it. Unlike using FoneDog iOS System Recovery, you can just easily repair iTunes Error 4005 while keeping a smile on your face.
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