How to Fix Error 18 on an iPhone? Check Causes of Error 18!


The “iPhone Error 18” is one of the worst things that can happen to a normal iPhone user. People have scratched their heads over this problem because it is hard to understand. But don’t worry, because this long guide will show you many effective ways to fix iPhone Error 18, so your iPhone can work at its best again.

What is Error 18 on an iPhone?

We need to figure out what Error 18 is about before we can get to the answers. Most of the time, this happens when you use iTunes to update your iPhone or restart it. But you’ve already won half the battle if you know why this mistake is made. Error 18 can be caused by a number of things, including problems with software, lost files, or the USB port on your computer.

Causes of Error 18 on an iPhone

Before you can figure out how to fix Error 18, you need to know why it’s happening. Some of the most common reasons why people make this annoying mistake are as follows:

1. An old version of iTunes: One of the main reasons for Error 18 is using an old version of iTunes. When software isn’t kept up-to-date, it can cause compatibility issues, which can lead to Error 18 during important changes or restarts.

2. A broken USB port or connection: The hardware is very important in this case. If the USB port on your computer is broken or the USB cable is broken, it can be hard to connect your iPhone to your computer. When a link breaks, an error like Error 18 can happen.

If you only download part of an iOS update, you might get Error 18. When these partial downloads are used to update, they can damage files, which is what makes the problem.

How to Fix Error 18 on an iPhone?

Now that we know what Error 18 is and why it happens, let’s start fixing it and getting your iPhone back to the way it used to be.

Method 1: Update iTunes

First, we’ll make sure you’re using the most up-to-date version of iTunes. Too-old software can cause a lot of compatibility issues, and updating iTunes can do a lot to stop Error 18 from showing up when you need to make important changes or restarts.

iPhone error 18

Method 2: Check USB Connections

In terms of hardware, check the USB cable that ties your iPhone to your computer. Make sure that there are no holes or broken ends. Also, you might want to try different USB ports on your computer to rule out any problems with the ports.

Method 3: Reboot Your iPhone and Computer

Even if it seems easy, you might just need to start over. Start your study by turning off your computer and iPhone and then turning them back on. This easy step could fix Error 18 in a way you didn’t expect, which makes it an important part of your fix.

iPhone error 18

Method 4: Clear Storage Space

Errors like Error 18 can also happen if your iPhone doesn’t have enough storage space. Check your device carefully to make sure this doesn’t happen. Get rid of any files or apps that are taking up room but aren’t being used. This can make a lot of much-needed space and may solve the problem.

Method 5: Disable Security Software

Even though security software is important, it can sometimes be too careful and stop iTunes from updating. As a debugging step, try turning off routers or security software for a short time and then try to update again. Don’t forget to turn on your protection again after the update is done.

iPhone error 18

Method 6: Use a Different Computer

If you’ve tried everything else and are still getting Error 18, try moving. Try fixing or updating something on a different computer. This can help you figure out if your computer is set up wrong, which could be the cause of Error 18.

Method 7: Contact Apple Support

If none of these work, you might want to call a pro. Don’t be afraid to call Apple’s customer service team for personalized help and tips on how to deal with Error 18.


Error 18 on your iPhone can be frustrating, but this article will tell you how to fix it. Make sure your software is up to date, check your USB connections carefully, and look at the different options here to stay on top of things. If nothing else works, Apple’s support team is always there to help and has a lot of information to share. To read more content like this, visit

Frequently Asked Questions (FAQs)

What does “Error 18” mean when an iPhone says it?

Error 18 is a strange error code that shows up on an iPhone when iTunes is used to update or restart iOS. Different things, like old software or broken USB links, can cause this.

Where do I find the latest version of iTunes?

Start iTunes on your computer, and then click “Help” and “Check for Updates.” Follow the steps on the screen to get the most up-to-date copy.

Can a broken USB cord really cause Error 18?

Without a doubt, yes. If the USB port on your computer or iPhone is broken or damaged, they might not be able to talk to each other. Error 18 may show up when you try to fix or update your iPhone.

What does the amount of storing space have to do with fixing Error 18?

If your iPhone doesn’t have enough storage space, Error 18 is just one of the many things that can go wrong. You can free up room and maybe even fix the problem by getting rid of files or apps you don’t need.

What should I do if none of these work?

If this guide doesn’t help, you should call Apple’s customer service. You can use what they know to figure out how to fix Error 18 properly.

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