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Top 6 Ways to Fix iTunes Error 11 When You Restore An iPhone

June 29, 2017 03:03 pm / Posted by Jenefey Aaron to iTunes Tips
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Have you encountered iTunes error 11 while restoring or updating an iPhone/iPad? Recently many iOS 11 users are also facing with this error while downgrading iOS 11 public beta to 10.3 in iTunes.

Now just read this article to get one! But before jump to the solutions, we have to figure out what the iTunes error 11 is and what the reason for this issue is.

error 11

Part 1: What is the iTunes Error 11?

The iTunes Error 11 is one of the most common iTunes errors we may encounter.  The iTunes error 11 usually occurs when you attempt to restore a signed custom firmware on your iPhone or perform an iOS 11 restore. And this error refers to an issue with the compatibility between iTunes and the iPhone.

Part 2: What causes iTunes Error 11?

Whatever the reason may be, iTunes unknown error 11 will bring some troubles like being unable to create a backup of iPhone/iPad/iPod touch or restore a backup to iOS devices, sync music to the Apple Music playlist etc. 

Below are some of the fixes that other users who have run into this error have found to be of some use. While the chances of them working are slim, it's always worth trying them out.

Part 3: How to Fix iTunes Error 11 Efficiently

To fix this iOS 11 downgrade error 11 and iTunes error when you restore the firmware, you can try these solutions listed below:

1. Update iTunes
The very first thing you need to do when you are facing iTunes error is make sure whether you have the latest version of iTunes installed on your computer. If it is not, download the latest version and then try again.

2. Update the Computer
If you iOS device is the latest model, then you should check whether the drivers on your computer is outdated, causing these errors to occur. So, take a moment to check that your computer is up to data and get the latest updates for drivers that may be outdated

3. Unplug Any Extra USB devices
If you have more than one USB device connected to the computer, your computer may be having trouble communicating with all of them. Unplug the unnecessary ones and they try again.

4. Check Port and Battery
Since the data communication takes place using a hardware link, chances are your USB port or the battery connection could be damaged. Take a closer look and assess whether the connector port looks okay. If you have the proper tools and training, you might disconnect and re-connect the battery as well.

5. Fix iTunes Unknown Error 11 with Tenorshare TunesCare
If nothing of above helps, then you can try the Tenorshare TunesCare, it is an all-in-one iTunes repair tool to fix all iTunes syncing problems and iTunes errors for free. Just follow the steps below:

Free Download For Win 10/8.1/8/7/XP
Secure Download
Free Download For macOS 10.13 and below
Secure Download

Step 1: Download and install Tenorshare TunesCare to your PC and click “Fix All iTunes Issues” to proceed.


Step 2: As your iPhone performs abnormally, click “Repair iTunes” to start downloading iTunes drives for repairing.


Step 3: After downloading the repairing drives for iTunes, Tenorshare TunesCare will automatically start to repair your iTunes. Once repair completed, Tenorshare TunesCare will prompt you that iTunes is repaired successfully and your iTunes will automatically restart.


6. Repair iOS System with Tenorshare iCareFone
Sometimes the error 11 occurs because something got wrong with your iPhone/iPad, like  system damage, corruption, etc. If so, you can repair the operating system to fix the restore error in iTunes.

Tenorshare iCareFone is one of the best iPhone system recovery software that can fix all kinds of errors and stuck without data loss.

Step 1: Download Tenorshare iCareFone and connect your iDevice to computer via USB cable.


Step2: Then hit “Browse” to choose a path saving firmware file and click on “Download” to start downloading the firmware package.


Step 3: Select an appropriate repair mode and click on “Start” to have the operating system of your device fixed.


After these steps done, the iTunes 11 error should be fixed and your iTunes will be back to normal.

There are 6 useful and simple solutions are covered in this post, I think at least one of the solutions above should help you repair iTunes error 11 when downgrade or during firmware restore. If it doesn’t, just try to factory reset your iPhone or iPad.

Free Download For Win 10/8.1/8/7/XP
Secure Download
Free Download For macOS 10.13 and below
Secure Download
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