How to Fix iTunes Error 40 After Upgrading to iOS 6

// June 19, 2016

Many people are experiencing iTunes error after updating to the iOS version 6 or iOS 6x. This hinders them from using the application well. You are probably reading this because you have experienced the same problem. The good news is there is a fix for this kind of problem and you are not the only one experiencing it, so there’s nothing to worry about.


This problem happened because of an issue with the software security or components. Files sometimes avoid Apple from connecting to the server in order to examine the firmware. Apple needs to connect to its server every time a recovery is being made in order to check if the IPSW is signed or not. The validity of the firmware is also being checked by Apple. So if your device, iPhone, iPad or iPod Touch could not connect to the Apple Store, the iTunes error 40 happens.

In order to fix this issue and eradicate the annoying iTunes error 40, simply follow the step-by-step instructions.

Fix iTunes Error 40 ” iPhone: Could not be restored. An unknown error occurred (40)

Do not forget to get the latest version of iTunes on your laptop or PC. Make sure that your USB wire is also on its best condition in order to solve the issue properly.

Step 1: Before starting the fix, you may need to close all running applications in the background to get the best performance of iTunes. This will prevent any interruptions that may cause delay.

Step 2: Restart your laptop or PC. Close your anti-virus software for firewall protection as it may discard access to some needed files.

Step 3: From a random directory, click Organize, Folder, then Look for Options and reveal all invisible drives and folders. Check the Show Hidden Files and Drives Options.

Step 4: Search for Notepad and click Run as Administrator.

Step 5: From Notepad window, simply click Open at the top left so you can check through the file.

Step 6: Go to C:WindowsSystem32driversetc. You will see an empty folder. Simply change the options from the box under Text documents to all files options.

Step 7: Choose Hosts. Notepad will be shown. Delete all the links that you see in Notepad except the things that you see from this image.


Step 8: Click File then Save. You may now close Notepad.

Step 9: Now launch iTunes and connect your device to your PC or laptop with your USB cable.

Step 10: Press Shift key and click on Restore. Restore your device with the use of IPSW files.

That’s it. The iTunes error 40 should be gone by now. If you are still experiencing the same problem, simply repeat all the steps above and make sure that you are doing it right.


Leave a Reply