Problem updating itunes
You can easily overpower this issue with a few tricks.
Then, open i Tunes on your computer and select your i Phone from the top left the menu. On your Mac: you need to hold the OPTION and Command Key then click the “Restore” button. If you still can’t update your device, try using a different Wi-Fi network and computer. Assuming these tricks have helped you troubleshoot this issue.
The wiki How Tech Team also followed the article's instructions and validated that they work. Go to the top left corner and click on the rectangle that is half blank and half shaded.Step 1: Using i Tunes, delete the old IPSW file manually.For Mac OS X users, you can locate the old IPSW files in home directory: Step 2: Download the appropriate IPSW file for your i OS device on your computer or Mac.Usually, i Tunes errors can be resolved quickly with basic troubleshooting techniques which let users continue their download, update or restoration.However, that is not always the case as error 9006 can be triggered by i OS software servers and stops the download of files.