Error -48 when restoring iPhone in iTunes

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Issue or symptom

When trying to restore your iPhone in iTunes, you may see the following error message:

Error -48 itunes unable to download your update at this time check network connection or settings.

Solution

Update to iTunes 7.5 or later. You can also update within iTunes:
Mac: Choose iTunes > Check for Updates.
Windows: Choose Help > Check for Updates.

If the issue continues or if you are unable to update, continue with the rest of this document.

If you are experiencing this issue when updating an iPhone on a Mac follow the steps below:

  1. Go to ~/Library/iTunes/iPhone Software Updates. In the Finder you can choose Go > Go to Folder, type or paste the above pathname, and click Go.
  2. Remove all files in the iPhone Software Updates directory.
  3. Attempt to restore the iPhone again.

In Windows these will be within a hidden folder. To see these files in Windows Explorer you will need to choose Tools > Folder Options, click View, and then select the "View and select Show Hidden Files and Folders" option.

If you are experiencing this issue when updating an iPhone on Windows Vista follow the steps below:

  1. Choose Start > Computer > Local disk and enter the following:
  2. C:/users/[yourusername]/AppData/Roaming/Apple Computer/iTunes/iPhone Software Updates
  3. Remove all files in the iPhone Software Updates directory.
  4. Attempt to restore the iPhone again.

If you are experiencing this issue when updating an iPhone on Windows XP follow the steps below:

  1. Choose Start > Run, then type C:/documents and settings/[yourusername]/Application Data/Apple Computer/iTunes/iPhone Software Updates
  2. Remove all files in the iPhone Software Updates directory.
  3. Attempt to restore the iPhone again.
Important: Information about products not manufactured by Apple is provided for information purposes only, and does not constitute Apple's recommendation or endorsement. Please contact the vendor for additional information.
Published Date: Feb 18, 2012