iTunes Could Not Back up the iPhone Because the iPhone Disconnected iOS 12

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With the introduction of iOS 12, many Apple mobile devices may want to update to the latest version. However, these devices may be facing the challenges that were common with iOS 12, especially with “iTunes could not back up the iPhone because the iPhone disconnected iOS 12” error.

If you’re experiencing error notifications like “iTunes could not back up the iPhone because the iPhone disconnected” when trying to back up your iOS device, then you can follow this post to rectify the issue and rebuild your damaged iTunes.

How to Fix iTunes Could Not Back up the iPhone Because the iPhone Disconnected iOS 12

Would you like to fix “iTunes could not back up the iPhone because the iPhone disconnected iOS 12” error which occurs when backing up your iPhone? The following methods of fixing iTunes errors and problems will fix this issue.

#1. Use iMyFone TunesFix

iOS 12 brought a bug that limits some older iOS devices from backing up data on iTunes. However, with the numerous update in iTunes even to iTunes 12, this issue or bug has not been addressed. Since this bug still makes it impossible to back up iOS files to PC through iTunes, it’s right for an iTunes user to find a way to fix iTunes and remove the bug from it.

There is no better way to fix iTunes issues, problems and errors efficiently than iMyFone TunesFix. This PC based tool can remove all iTunes bugs so that individuals who are still using older versions of iPhone, iPad or iPod touch running iOS 12 can easily back up their important files and data. Therefore, TunesFix is the ultimate solution you need to fix “iTunes could not back up the iPhone because the iPhone disconnected” issue in iTunes.

iMyFone TunesFix

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Key Features:

  • TunesFix can fix “iTunes could not back up the iPhone because the iPhone disconnected” issue and help you back up your iPhone data easily.
  • TunesFix is the primary fix or solution for all other iTunes errors and issues.
  • TunesFix can repair damaged iTunes or iTunes library to give you a better experience.
  • If your iTunes library is over occupying your PC storage space, you can free up space and boost your PC using TunesFix.

Windows version Mac version

Steps to fix “iTunes could not back up the iPhone because the iPhone disconnected iOS 12” issue using TunesFix:
Step 1. Download iMyFone TunesFix from the official iMyFone website, and install it on your PC. Then launch TunesFix on your PC and it will automatically detect iTunes and its components.

detect itunes

Step 2. Choose the repair mode “Repair Backup/Restore Errors”, and click “Repair” for TunesFix to repair your iTunes. Please keep the internet stable during the repair process.

Repair Backup/Restore Errors

Step 3. Click “Open iTunes” when the repair process is complete.

#2. Other Solutions to Fix “iTunes Could Not Back up the iPhone Because the iPhone Disconnected iOS 12”

The following techniques to fix iTunes disconnected error may not always work, but they are worth giving a try!

Solution 1.Uninstall and Reinstall iTunes

Uninstalling and reinstalling iTunes is a possible way to fix iTunes disconnected error. You can use iMyFone TunesFix to uninstall and reinstall iTunes or go for manual process. We’ll be showing how to use the manual process to uninstall and reinstall iTunes in the following paragraphs:

Step 1. Go to Windows Control Panel and uninstall iTunes and its component software in this order:

  • iTunes,
  • QuickTime,
  • Apple Software Update,
  • Apple Mobile Devise Support,
  • Bonjour,
  • Apple Application Support.

Step 2. Restart your Windows or Mac computer.
Step 3. Go to Apple’s official website and download iTunes installer package.
Step 4. Run the installer package on your PC and follow the instruction to install iTunes and its component software on your PC.

Solution 2.Recover Deleted Contacts from iPhone without Backup

Having numerous iTunes backups on your PC can be the confusion that’s making iTunes show iPhone disconnected error. You can erase some of your older iTunes backups using iMyFone TunesFix or manual method. We’ll show you how to use the manual method in the following paragraphs:

Step 1. Launch iTunes on your PC, and go to “Preferences > Devices”.
Step 2. Start deleting your old iTunes backups. Please, check the date and size carefully before erasing it.


It’s important to point out here that you may try these other manual methods of fixing “iTunes could not back up iPhone because the iPhone is disconnected iOS 12” issue, but may end up without any good result. You may also call Apple customer support, but they’ll simply tell you that they don’t know why this bug happens.

However, one solution we know that consistently works for everyone who had this issue in time past is iMyFone TunesFix. So, get TunesFix to fix this iTunes error now.