Updating iPhone 4 to iOS 4.2.1 iTunes Error 1013 Fix

(Last Updated On: June 12, 2020)

For many of you who have iPhone 4’s and tried to update to iOS 4.2.1, you may encounter Error 1013 on iTunes. This seems to be a widespread issue and widely discussed on Apple’s forum. Fear not, there is already a way to fix this Error 1013.

Due to the rush of releasing this iOS version, a bug like this is bound to come out. This has been reported to Apple but if you don’t intend to wait any longer, please see the following for the instructions. Methods on Fixing the Error 1013 are available for Mac and PC.

Mac OS X (courtesy of Tech Exclusive)

1. On your Mac, go to “Applications” folder.

2. Go to the “Utilities” folder.

3. Start “Terminal”.

4. Type “sudo nano /etc/hosts” (without quotes) and hit enter.

5. Enter your login password

6. Use the down arrow key to find “gs.apple.com”. Add “#” in front of the text e.g. #gs.apple.com

7. Save the file by hitting CONTROL+O.

8. Exit the nano editor.

9. Restore your iPhone.

Windows (courtesy of @Gustasn0w)

1. Go to  Start > Programs > Accessories

2. Run Notepad. Note: on Windows 7, right click on Notepad icon and select “Run As Administrator”

3. Click File > Open

4. Go to Windows/System32/drivers/etc

5. In “files of type:” select all documents

6. Open “hosts”

7. Delete any entry with “gs.apple.com

8. Click Save

9. Restore your iPhone


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