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iPhone 4 Error 1013: How to fix Unknown Error on iOS 4.2.1

Although the update to iOS 4.2 is now live and available to download via iTunes, we are hearing numerous reports that some iPhone 4 users have been encountering error messages when trying to update to iOS 4.2.1.

If you head over to the Apple Support forums, you’ll see that the problem is pretty widespread and is affecting most people when they try to initiate the update process.

Below is a screenshot of the error message which you may have been greeted with:

The good news however, is that the guys over at RedmondPie have compiled a list of steps in which you can take, which should fix the problem for you.

There are 9 steps in total, and you’ll be able to view them below thanks to RedmondPie:

How to Fix Error Code 1013:

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

Step 2. Now navigate to the “Utilities” folder.

Step 3. Launch “Terminal”.

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

Step 5. Enter your password

Step 6. Use the down arrow key to find the “” entries. Once the cursor is in front, make sure you comment out the line(s) by entering “#” in front of the text.

Step 7. Save the file by pressing CONTROL+O.

Step 8. Exit the nano editor by pressing CONTROL+X.

Step 9. Restore your iDevice.

Try them out now and let us know if it worked for you. Just to let you know, we had no such problems updating, but obviously a lot of you did. We’ll let you know if there is official word from Apple regarding this problem.

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Written by Alan Ng

Alan has been working for Product-Reviews since 2009 and became the Editor-in-chief in 2014. He has a passion for technology, the latest mobile phones and gadgets, and the gaming industry. Alan is a graduate of Canterbury Christ Church University and completed a B.A in Commercial Music in 2008. While expressing a keen interest in all areas that PR cover, you'll usually find Alan in the gaming section, where he'll be keeping enthusiasts up to date on all the latest news and reviews for consoles and PC.

Contact Alan Ng: [email protected]

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