iTunes could not backup iPhone because the iPhone disconnected

Several users have reported that iTunes display “iTunes could not backup iPhone because the iPhone disconnected”; when attempting to create an iPad, iPhone, or iPod touch backup. Here is how you can resolve backup errors:

After performing each steps, please check to see if the issue is resolved.

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Before doing anything, you may want to back up your backup. Find your back up and copy to a safe place. You can find your back up files:

Mac: ~/Library/Application Support/MobileSync/Backup/

Windows XP: \Documents and Settings\(username)\Application Data\Apple Computer\MobileSync\Backup\

Windows Vista and Windows 7: \Users\(username)\AppData\Roaming\Apple Computer\MobileSync\Backup\

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Resolution

  • Restart the computer and the iOS device (iPad, iPod touch, iPhone).
  • Ensure you are using a USB port directly on the computer.
  • Disconnect all USB devices and cables, except your keyboard and mouse and restart your computer and try to back up.
  • Update to the latest available version of iTunes and your computer’s operating system (OS)
  • Try disabling your antivirus program, if any
  • It’s possible that your backup is corrupted, you can try deleting the backup. To do this, launch iTunes > Preferences (Windows: Choose Edit > Preferences; Mac: Choose iTunes > Preferences). this will fix the problem if the backup is corrupt.

Related:

Comments

  1. AlexM says

    Hi. I’m with the guys from iPhone Backup Extractor. I will add that the Windows 8 default backup location is the same as Windows 7 (for newly Windows 8 users – like myself) and that if you have previous locally created backups or corrupt ones that you want to extract data from and import it back to your iDevice third party apps can help.

  2. MikeSA says

    Finally!!! A solution that worked! I was getting frustrated that I am not able to have a backup of my iPhone for a couple of months already. I made a copy of the backup folder, then deleted it through iTunes>Preferences, though I also disabled on-access viruscan so either that or the old backup really got corrupted. Doesn’t matter to me anymore because I successfully backed up my iPhone again! Thanks!!!

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