Apple iPhone 7 iTunes error 1671: What causes this error and how to fix it? [Troubleshooting Guide]

Apple’s iTunes is popular application designed by the company for iOS device management purposes like downloading of multimedia contents, software updates, and iOS restore. Newer versions of the application are now made available for both Windows and Mac computers. More and more people opted to use iTunes over other relevant online tools for its efficiency and credibility. Even so, there are still some people who have encountered various troubles when using iTunes in managing iOS devices.

Some owners of the iPhone 7 have complained about getting various iTunes errors when attempting to update or restore the device. One of these errors is depicted by an iTunes error 1671. What does this error mean, what triggers it to occur, and how to get rid of it? Read on to find out the answers to these questions.

Before going any further though, if you have other concerns with your new iPhone, make sure you drop by our iPhone 7 troubleshooting page for we have already started supporting the device. Moreover, if you need further assistance, you can always contact us by completing our iPhone issues questionnaire and providing us with sufficient information about the problem.

What does iTunes error 1671 mean and what causes it to occur on the iPhone 7?

Error codes generally serve as hints for end-users to know of what went wrong when trying to get something done with an application. Each of these codes is accompanied with alert messages that explicate more details about the problem that needs to be rectified. In the case of iTunes error 1671, it means that something is interfering with what iTunes is trying to perform. As a result, iTunes won’t be able to proceed with your request for either download or iOS restore. Among the widely known triggers for this error would include but not limited to security software, system conflict, and malware. There are also other instances where the iTunes error 1671 is tied to a simultaneous use of multiple USB controllers on the computer. For some reasons, doing so would inflict some conflicts and thereby affects iTunes operations. Using of slow or faulty USB hub when connecting the iPhone to the computer can likewise trigger the same error to occur when using iTunes. Overall in most cases, the problem is within the computer system.

If you happen to encounter the same error when using iTunes for either purpose of updating or restoring iOS on your iPhone 7, then you should consider looking into these factors beforehand. Your chance of obtaining quick and definite solution is higher if you start working on these possible causes. Read on to learn other potential solutions and suggested workarounds you can try on when troubleshooting iTunes error 1671 on your iPhone 7 device.

Recommended solutions and workarounds to deal with iTunes error 1671 on the iPhone 7

Highlighted below are generic solutions that are based on the underlying causes. Be sure to test your device after completing each method to find out whether or not the problem has already been fixed. Otherwise, try the next applicable solutions.

  • Verify and make sure that the operating system of your computer is up-to-date. As much as possible, use the latest version of operating system for your computer. Doing so will ensure that the minimum system requirements are met for both iTunes and your iPhone device.
  • Update iTunes to the latest version available. Sometimes, older versions of iTunes wouldn’t be able to carry out updates download or restore especially with iOS devices that run on higher software versions. This happens because of system conflict. Apparently, iTunes is not able to meet the minimum system requirements for your iPhone thus won’t be able to function as intended.
  • Disable or uninstall security software. If you are using any security program whether it’s an antivirus or firewall, try to disable it temporarily or uninstall it. Again, security software could also interfere with iTunes operations given that your iPhone 7 will be tagged as an external device to the computer. The security software may have detected some threats to the computer’s security the moment you attached your iPhone, and so access to the computer or iTunes has been denied or disconnected.
  • Verify and ensure that functional and high-speed USB cable or port is used. Another factor that can possibly interfere with or interrupt iTunes normal operations is a faulty or slow USB cable in use. Using a third-party USB connector when connecting the iPhone to the computer can usually yield to an error due to compatibility issues with the iOS hardware. Unlike other smartphones, the iPhone is specially schemed to work only with Apple-compatible components, either hardware or software. This is why it is highly recommended to use only Apple-supplied (OEM) USB connectors when connecting the iPhone to a computer for iOS data management purposes.

If none of the aforementioned workarounds is able to get rid of the iTunes error 1671 and that you are still unable to update or restore your iPhone 7 with iTunes, try the next possible solutions. Before you start performing any of the subsequent solutions, make sure that the USB cable you are using as well as the USB port on the computer are working fine. Otherwise, you’ll have to consider using a different USB connector or USB port to ensure that the computer has established stable connection with your iPhone.  

First Solution: Reboot.

Random software glitches can sometimes cause various errors to occur when using a computer program including iTunes. It could be due to a glitch on the iTunes app or other relevant components. To rectify these glitches, a reboot on the iTunes program as well as the computer is usually necessary. So here’s how it works.


  1. Quit the iTunes app.
  2. Turn off your computer for a few seconds and then turn it back on.
  3. After the computer reboots, restart your iPhone 7.
  4. Reconnect your iPhone 7 to the computer using the supplied USB cable or compatible high-speed USB connector.
  5. When both devices are connected, open iTunes on the computer.


Wait for iTunes to recognize your device and then retry updating or restoring your iOS device.

If the error comes back, try the next applicable solutions.

Second Solution: Configure Disable security software.

Security software installed on the computer is also deemed among the possible triggers of this iTunes error. If you have an installed an antivirus or firewall on your computer, try to configure its permission settings to grant access to your iPhone 7. Otherwise, you can just disable it temporarily and then retry updating or restoring your iPhone 7 on iTunes without any security programs enabled in the system. If the error does not occur, then apparently that’s the trigger. You can re-enable the software once you’re done using iTunes.

Third Solution: Transfer hosts file on the computer.

Hosts files are text files (system files) that are tasked to map hostnames to IP addresses for domain names or websites IP addresses identification. Aside from browsers, iTunes is also among the computer programs that used these files especially when accessing certain domains names or websites addresses to carry out download requests. If something gets messed up with these files, there is a tendency that iTunes won’t be able to do its tasks. This is when it prompts you with errors codes and alert messages including iTunes error 1671.

As recommended solution, try to move hosts files to a different location. Here’s how it’s supposed to be done.


  1. Navigate to the hosts file directory on your computer. If you are using a Windows computer, go to C://Windows->System32->drivers->etc. When you get to this directory, look for the file named hosts and then drag it to your desktop.
  2. After moving the hosts file to your desktop, try to update or restore your iPhone 7 with iTunes again.


If you are using a Mac computer, you can use Finder to search for the hosts file directory. Here’s how it’s done.


  1. Launch Finder.
  2. Select the Go menu, scroll to and click Go to Folder…
  3. If you’re prompted with the Go to folder search box, type /private/etc/hosts and then click Go or press Enter on the keyboard.
  4. Look for the file named hosts and then move it to your desktop.
  5. Open iTunes and try to update or restore your iPhone again.


Fourth Solution: Recovery Mode restore or update.

Another possible solution you can try on is using a recovery mode restore or update on your iPhone 7. Here’s how it’s done:


  1. Connect your iPhone 7 to the computer using the supplied USB cable or high-speed USB connector that is compatible with your device.
  2. Open iTunes on the computer.
  3. Force restart your iPhone 7 by pressing and holding down the Power and Volume Down buttons simultaneously. Do not release both buttons when the Apple logo appears.
  4. When you see the Recovery Mode screen, release both buttons at the same time.
  5. If prompted with the option to Restore or Update, tap on your preferred action.


Choosing Restore will prompt you to select from previous iOS backups to use. Selecting Update will install the latest iOS version available for your iPhone.

Contact Apple Support

If none of these workarounds is able to fix the iTunes error 1671 and that you still cannot update or restore your iPhone 7 with iTunes, you should now consider escalating the problem to Apple Support for further assistance and recommendations. Otherwise, you may resort to trying other iOS device management tools online as alternative to iTunes. Just be sure to pick the most credible and compatible software for your iPhone 7.

Connect with us

If you need more help with the use of certain functions and features of the new Apple iPhone 7 smartphone, feel free to visit our Tutorial Page. There you can find a list of how-to contents, step-by-step tutorials, as well as answers to FAQs regarding iPhone 7. If you have other concerns or encountered some troubles while using the phone, you can reach us through this form. Just be sure to tell us more details of the problem or device issue(s) you may have and we will be more than happy to assist you further.