6 Methods to Fix iTunes Error 1644

iTunes pops up ‘iTunes error 1644’ when you update or restore your iPhone with iTunes for Mac/PC. So what’s wrong with iTunes? This post is going to tell you what iTunes error 1644 is, why it happens and how to fix it in 6 tips.

By Christian Chus | Posted on: Sep. 26, 2018, Last Updated: Sep. 26, 2018
Home > PhoneRescue > iOS Data Recovery  > 6 Methods to Fix iTunes Error 1644
PhoneRescue – iOS Data Recovery

Based on custom-designed technologies, PhoneRescue comes as the ONLY lifesaver to safely rescue you from any iOS data disasters at the first moment. Like photos, messages, contacts, or just any piece of iPhone data you can’t live without, we bring them all back for you, in the most straightforward, efficient and secure manner.

Q: Hello. I had some problem with my new iPhone. So I decided to do a Restore. But when I try to do that, I get iTunes error 1644. What is that? And how do I fix this?

I saw a complaint about iTunes error 1644 on Apple Community. It seems like a common issue that many iOS users have ever met. What does this error mean? In short, it is one of the error numbers to identify the error occurred, which embraces information about the error and possible cause of error.  So what causes iTunes error 1644? Indeed, it always appears because there is something wrong with your USB connection, USB cable, USB port, or computer. In terms of it, 6 solutions are provided for you to fix iTunes error 1644.

6 Solutions to Fix iTunes Error 1644

Solution 1: Restart iTunes

As the easiest way of all solutions, iTunes restart is always ignored by many people.

Solution 2: Update The Latest version of iTunes

Check if your iTunes is up to date. For Windows users, open iTunes > click on menu > Help > Check for Updates.

iTunes Error 1644 - Update on Windows

iTunes Error 1644 – Update on Windows

For Mac users, Open iTunes > Click on the iTunes menu > Select Check for Updates

iTunes Error 1644 - Update on Mac

iTunes Error 1644 – Update on Mac

Solution 3: Restart Your iPhone

Press and hold the sleep/wake button, then you’ll see a slider and drag to turn off iPhone. Wait for seconds, turn it on.

Fix iTunes Error 1644 - Restart iPhone

Fix iTunes Error 1644 – Restart iPhone

Solution 4: Check USB Cable and USB Port

Try another USB cable if there is something wrong with your old one. Make sure you use the Apple cable. Or try to connect other USB ports on the computer.

Solution 5: Unplug Other Devices from the Computer

If your computer connects other devices you don’t need, disconnect them and only leave iPhone which is essential.

Solution 6: Update the Operating System on Your Computer

If the solutions mentioned above don’t work, operating system on the computer is the last choice. Please follow the directions step by step to fix iTunes error 1644.

To update Windows

Step 1Click Start button > Control Panel > Windows Update.

Fix iTunes Error 1644 - Update Windows - Step 1

Fix iTunes Error 1644 – Update Windows – Step 1

Step 2Click on Windows Update > Check for updates.

Fix iTunes Error 1644 - Update Windows - Step 2

Fix iTunes Error 1644 – Update Windows – Step 2

Step 3Wait for a while, click on Install updates if there is any available software update.

Fix iTunes Error 1644 - Update Windows - Step 3

Fix iTunes Error 1644 – Update Windows – Step 3

To update Mac OS X

Step 1Open App Store on your Mac computer.

Step 2Click Updates from the toolbar.

Step 3If there is an available update, click Update to download and install on your system.

Fix iTunes Error 1644 - Update Mac OS X

Fix iTunes Error 1644 – Update Mac OS X

Bonus Tip: Restore Your iPhone, iPad, iPod Touch with iTunes Alternative

As you know, there are lots of numerical errors that may occur when you want to update or restore iOS device. What’s more, your iOS data will be in danger every time you try to fix iTunes error. At this moment, an iOS data recovery tool is highly recommended. That’s PhoneRescue For iOS. Not only it enables you to restore almost all types of iOS data within a few clicks, but it also prevents your data from erasing in the process of restoring. Please download it and try this reliable tool.

Free Download

Free Download

* 100% Clean & Safe

Free Download * 100% Clean & Safe

Fix iTunes error 1644 - Restore iOS Data without iTunes

Fix iTunes error 1644 – Restore iOS Data without iTunes

The Bottom Line

After looking through this article, you’ve been learned about information about iTunes error 1644, including its definition, its causes, and its solutions. Next time you face this error code, you have ideas to fix iTunes error 1644 easily. If you still have questions about it, please leave your comments. We’ll get rid of your worries as soon as we can.

Christian Chus

Member of iMobie team. A typical Gemini. Addicted to Apple and music stuff. Always like solving issues related to iOS & Android.