Home / How To / How to Fix iTunes Could not Sync Data to the iPhone because the iPhone Disconnected
Credit: deciphertools

How to Fix iTunes Could not Sync Data to the iPhone because the iPhone Disconnected

iPhone users regularly take backup of their data using iTunes on their Windows PC or Mac. While the backup process is usually easy and smooth, there are some perennial issues and errors which could become a nuisance in some cases for many users. One such case is the error which says that “iTunes could not sync data to the iPhone because the iPhone disconnected”. The error could also state “iTunes could not back up the iPhone because backup could not be saved on the computer”. This is a complex problem which has more than one cause. In this article we will show you how to fix iTunes could not sync data to the iPhone error.

Fix iTunes Could not Sync Data to the iPhone because the iPhone Disconnected

Update iTunes

All the backups of iPhone are taken via iTunes. Lack of an updated version of iTunes is found to be the primary cause of iTunes could not sync data to the iPhone because the iPhone disconnected error. You must update you iTunes to the latest version. You can check for the latest version of iTunes from Apple’s official iTunes page to make sure you have the most recent version as Apple keeps updating this software.

Change Backup Files Names or Delete Old Backups

Conflict in backup file names can also cause this problem. If you have turned on the automatic updates, iTunes keeps taking updates of your device. This could sometimes result in duplicate file names. So you can alter the backup file names. You can set any name of the backup file according to your choice and easy.

In Mac, you can locate the backup file on the path: ~/Library/ApplicationSupport/MobileSync/Backup/

In Windows PC, you can find backup file located at: \Users\USERNAME\AppData\Roaming\Apple Computer\MobileSync\Backup\

fix iTunes Could Not Backup iPhone
Credit: OSXDaily

After changing the backup file names, try performing the backup process again. You will not come across iTunes could not sync data to the iPhone because the iPhone disconnected error. If the problem is not solved, move on to the next solution.

Many users have reported that deleting the old backup solves the problem too. Old backup files could get corrupted due to a number of reasons. If renaming the backup files does not work, you should delete old backup. Here’s how to do it.

Launch iTunes in your PC and move over to“Preferences”.

Now move on to the “Devices” Tab.

 iTunes Could Not Backup iPhone
Credit: OSXDaily

Now click “Delete Backup”

Try taking the backup again and I hope you won’t face iTunes could not sync data to the iPhone error.

Reset Synch History in iTunes

You can fix iTunes could not sync data to the iPhone because the iPhone disconnected by resetting the synchronization history.

Launch iTunes and go to “Preferences”.

 iTunes Could Not Backup iPhone

Now open “Devices” tab, then click on “Reset Synch History” button as shown in the image below.

 iTunes Could Not Backup iPhone

Change Cord/USB Port

The error we are dealing with states that there is some problem in “connection”. So in order to fix it, you must try connecting your iPhone with your computer using a different USB/lightning cable. You should also try changing the USB port, PC with which you are connecting your device. This would fix iTunes could not sync data to the iPhone because the iPhone disconnected error.

Reset iPhone Settings

Resetting your iPhone is another solution to fix this problem. This would delete all the corrupt junk files. If you are hesitant to proceed, you could always take a backup of your device using iCloud. Here’s how to reset your iPhone.

Launch Settings in your iPhone and go to the General tab.

Scroll down to the bottom and you will see a tab called “Reset”. Tap it and then tap Reset Network Settings.

All the DNS, connection variables and network data would be flushed. This would fix iTunes could not sync data to the iPhone because the iPhone disconnected.

Take Backup Using iCloud

If you are tired of trying and just want to take backup of your device using some other way, iCloud is what you should use. Taking a backup on iCloud perfectly serves the purposes and saves you from the hassle of connecting your device with computer via cords, backup process and errors. Just go to Settings in your iPhone and then go to “iCloud” and take a backup. All your data will be saved on Apple’s secure servers.

These are some of the best ways to fix iTunes could not sync data to the iPhone. If none of the above solutions worked for you, comment on this post along with details of the errors and problems and we will definitely get back to you with a different solution.

About Fahad Saleem

Tech nut, Gadget Enthusiast, Slacker, Binge Eater, Tea lover. When not covering tech, I love reading and daydreaming.
  • Gaige Redd

    I tried all of these and none worked. I stumbled upon the “manage devices” link while looking around in my itunes account. My old phone (which broke and was replaced with the same model) was still listed. I deleted it and then the back up worked.