Fix iTunes Could Not Connect with iPhone 6 Because an Invalid Response was Received from the Device

Are you facing the error pop-up message “iTunes could not connect to this iPhone because an invalid response was received from the device” every time you are trying to connect your iPhone 6 with iTunes? We understand how frustrating it can be, that is why, we have curated this article that suggests some excellent, workable tips that will resolve the issue for how to fix iTunes.

How to Fix iTunes Could Not Connect to iPhone 6

There can be multiple reasons why iTunes cannot connect to this iPhone 6 model. The issue may have been caused by a temporary software glitch or a severe hardware malfunction. Whichever it may be, you should find the apt solution for your iTunes invalid response problem in this article. 

To fix the annoying problem and connect the iPhone to iTunes, read on this post.

Solution 1 – Consciously Unlock Phone 

If you try to connect a locked iPhone 6 with iTunes, you will fail. Therefore, consciously unlock the screen of your Apple device and then connect it again with iTunes. If your phone was locked the previous time you connected it to iTunes and received the error, chances are that you will be able to connect it this time without any problem. 

Solution 2 – Check the USB Connection 

Most of the time, the reason why this error surfaces is because the connection between iTunes and iPhone 6 was broken. This is maybe the cause if you are using a faulty or unoriginal cable to establish the connection. Before reading further or looking for more solutions, ensure that your USB cord is in good working condition. This will rule out the possibility of a faulty or broken connection. You can check the cable by replacing it with another to see if the issue still persists. Also, close the iTunes and relaunch it before using the new cable. 

Solution 3 – Check Internet Connection

Sometimes, a fluctuating or slow Internet connection can prevent iTunes and your iPhone from connecting. Even if you aren’t sure whether slow Internet is causing the error, you can always rule out the possibility by restarting the router. In the meantime, reset your iPhone’s network settings

  • Go to “Settings”
  • Tap on “General”
  • Head to “Reset”
  • Finally, select the namesake option “Reset Network Settings” to complete the task.


Solution 4 – Connect by Using a Different USB Port

The solution may sound silly but many times it works. You can use another port on the same computer or if another computer is available, use that. It will make sure that the problem is not caused due to a faulty USB port. 

Solution 5 – Restart Both Devices

When you are unable to connect iTunes to your iPhone 6 because an invalid response was received from the device even after checking/replacing the USB, reboot both, the PC and the iPhone. 

Sometimes, a gadget can act up due to temporary internal bugs. These bugs can be a result of a faulty app or cache. The good news is that, in this case, a simple reboot can solve the issue immediately. 

To restart iPhone 6, 

  • Long press the power button until the slider appears
  • Swipe the slider to the right to switch off the phone.
  • Wait for a minute and restart it by long-pressing the power button again
  • Unlock the screen 

To restart Windows PC,

  • Close all programs
  • Press Ctrl + F4 
  • Choose Restart or “Shut Down” from the dropdown menu
  • Wait for the PC to shut down
  • If you chose “Shut Down”, press the power button to restart it
  • Type the Pin or Password to unlock the screen

To restart Mac PC,

  • Press the power button or Ctrl + Eject
  • Click “Restart”
  • Press Ctrl + Command + Power Button
  • Wait for the PC to shut down and restart
  • Unlock the screenPress Ctrl +Command + Power Button

Relaunch iTunes and try to establish the connection again. See if the issue has resolved. If the invalid response from iPhone 6 still pops up, turn to the next solution in this article. 

Read more:  How to Fix iTunes When It’s Not Syncing with iPhone

Solution 6 – Check for iPhone and iTunes Updates 

Apple continuously offers updates for its devices and applications. These updates ensure that all iOS products are bug-proof and secure. In simple words, if you have missed any update on your iPhone 6 or iTunes, chances are that there are unfixed bugs that are causing the connectivity issue between both. To resolve the problem, check if the iTunes version on your PC and software version on your iPhone 6 are latest. Using an outdated version of either might invite unnecessary malfunction such as an invalid response from iPhone to iTunes.

To check update in your iPhone 6,

  • Plug iPhone 6 into power
  • Connect it to a Wi-Fi 
  • Launch “Settings” menu
  • Go to “General”
  • Below “About” you will find “Software Update”software update

See if there is “1” appearing in front of it. If yes, then an update is available. Tap on “Software Update” and follow the instructions to install the latest version of iOS. 

In case you find your phone up-to-date, move on to the next step viz. to update iTunes on your computer. 

To update iTunes on Mac computer,

  • Launch “App Store”
  • Select “Updates” located at the top of App Store screen.
  • See if any iTunes updates are available. If yes, click “Install”

To update iTunes on Window computer,

  • Launch the iTunes app
  • Click on the iTunes menu bar
  • Select “Help” and then “Check for Updates”
  • Follow on-screen instructions

If you downloaded iTunes from Microsoft Store, then

  • Go to “Microsoft Store”
  • Click on “More”
  • Select “Downloads & updates”
  • Click on “Get Updates”
  • Install iTunes latest version

Updating the iPhone or/and using the latest iTunes version should element the problem of invalid response. However, in case it doesn’t, try solution 7 of this article.

Read more:  How to Fix “iTunes Could Not Connect to This iPhone. The Value is Missing”?

Solution 7 – Check for Computer Software Updates 

While you are considering to update the iPhone and iTunes to eliminate the connectivity issue, also ensure that the computer you are using is also updated. It will improve the chances of resolving the problem. Also, working with updated applications on a system that is running on an outdated software version can cause other minor bugs, leading to further glitches. 

On Mac,

  • Go to “Mac App Store”
  • Click “Updates”update in mac store
  • See if there is a new software version ready to be installed.
  • If yes, download and install the update

On Windows,

  • Press “Windows” button 
  • Click “Settings” on the side/top menu bar
  • Click on “Update & Security”
  • Select “Check for updates”
  • Download and install if a new version of software is available 

Solution 8 – Delete the Apple Lockdown Folder 

Apple Lockdown folder is a protected file created with temp data which is mostly sync related. At times, this lockdown folder can become corrupt and cause issues such as an invalid response from iPhone 6. In a case like this, it is best to reset the folders by clearing them or their files from the PC. Whether you are using Mac or Windows computer, mentioned below are step-by-step guides on how to delete a lockdown folder on your PC. 

For Mac users:

When deleting the lockdown files on Mac, make sure to leave the lockdown folder as it is and only delete the files it contains. 

  • Use Finder to reach the folder.
  • Use the command “/var/db/lockdown” and press “Return”
  • “View as Icons” to locate the lockdown files
  • Select all files and delete them 

For Windows users:

  • Press the “Windows” button
  • Type the “%ProgramData%” command on the search bar 
  • Press enter
  • Open “Apple” folder
  • Sign in as Administrator 
  • Delete Lockdown folder

Solution 9 – Ensure Date and Time on Both Devices Sync 

If by any chance, there is a difference between the time and date on your iPhone and PC, iTunes may not be able to connect with the iPhone. To facilitate a hurdle-free connection between the two, see if they show the same time and date. If not, adjust them by allowing each to set automatically. 

On the iPhone,

  • Head to “Settings”
  • Tap on “General”
  • Go to “Date & Time” 
  • Turn on “Set Automatically”Set Automatically

On Mac, 

  • Go to “System Preferences”
  • Choose “Time & Date”
  • Select “Set Automatically”

On Windows,

  • Right-click on the Taskbar where it’s showing time and date
  • When the menu emerges, select “Adjust date/time”
  • Toggle on “Set Automatically”
  • Toggle on “Set time zone automatically”
  • Click “Sync Now” below Synchronize your clock option

Once, both your devices show the same time and date, connect them again. This time they should connect without showing any error. 

Solution 10 – Uninstall and Reinstall iTunes

uninstall iTunes

Despite following the methods mentioned above, if the iTunes invalid response error still shows up when you try to connect your iPhone with iTunes, it is time to uninstall the application and reinstall it anew.

reinstall iTunes

Conclusion to Invalid Response from iPhone 6

It is very annoying when an invalid response is received from the device iTunes every time you try to connect your iPhone 6 with it. Therefore, in this article, we have enlisted 10 efficient ways to deal with this reoccurring problem. Each method includes a step-by-step guide for your convenience. By the end of the article, you should have fixed the iTunes connectivity problem without having to spend a single penny on a third-party app or software. All our methods are completely secure and do not put either your devices or iTunes data on risk. 

Read More:

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