Fix the 'unable to verify update iOS 18' error with this guide. Discover 7 easy methods to troubleshoot and update your iPhone without issues.
Many iPhone users encounter the frustrating “unable to verify update iOS 18” error while attempting to install the latest iOS version. This error means that your device cannot contact Apple's update servers to verify the download.
Quickly resolving this verification error is important to keep your device up to date with the latest features and security patches. In this article, we'll cover 7 practical solutions that will help you verify and complete the iOS 18 update seamlessly.
For users who frequently encounter update verification errors and other iOS issues, FoneTool provides a reliable solution. It supports checking and fixing software glitches, system issues, and update-related errors.
In addition, this powerful tool also provides you with the option to upgrade or downgrade your iOS version easily.
You can click the below button to download FoneTool for free, and learn how to fix “unable to verify update temporarily unavailable” issue.
Step 1. Connect the iPhone to the computer > Open FoneTool > Go to Toolbox > Select iOS System Repair to continue.
Step 2. Choose iOS System Repair option on the page.
Step 3. Click Standard Mode > Tap Start to repair your iPhone.
Step 4. This tool will download the previous firmware file on your iPhone > Once it finished, tap Start Repair.
By the way, you can use FoneTool to upgrade your iOS to the latest iOS 18 directly. Just go to FoneTool > Toolbox > Choose iOS System Repair > iOS Upgrade/Downgrade to do it!
In addition to using the efficient professional tool - FoneToolo, you can also try some other common solutions. Here are seven effective ways to troubleshoot and fix the "Unable to Verify Update iOS 18" error.
In some cases, the issue of being unable to update iOS 18 may be caused by an outage on the Apple server. You can check the status of your iPhone by visiting the Apple System Status page. If there are any technical issues, they will be displayed immediately.
If you encounter the error while updating your iPhone, we recommend that you check for and remove any partial updates.
Step 1. Open Settings on your device.
Step 2. Go to General > Click iPhone Storage.
Step 3. Find and tap the iOS update in the list > Then select Delete Update.
A forced restart can help clear out temporary system files and glitches to make the verification process go smoothly. Different models have different restart methods. You can check the following steps:
For iPhone 8 series, and later
Press and quickly release the Volume Up button > Press and release the Volume Down button > Press and hold the Side button > Release the button until the Apple logo shows on the screen.
For iPhone 7 or iPhone 7 Plus
Press and hold the Volume Down and the Sleep/Wake button simultaneously > When the Apple logo appears on the screen, release both buttons.
For iPhone 6, iPhone SE, and older
Please press and hold both the Sleep/Wake button and the Home button > Then release both buttons if you see the Apple logo.
Sometimes, a poor network condition may cause some issues like “unable to verify update iOS 18 on iPhone”, “unable to check for update iOS 18 beta”, and more. Resetting them often resolves such issues, although this will remove Wi-Fi passwords.
Step 1. Go to Settings app > Tap General > Reset.
Step 2. Tap Reset Network Settings and confirm.
Step 3. After the reset, reconnect to your Wi-Fi network.
Check whether the phone system can be updated normally now.
Sometimes, enabling automatic updates can help the device bypass manual verification errors. Steps for this method is easy enough: Open Settings on the iPhone > General > Software Update.
Here, enable Automatic Updates if it’s not already turned on.
After enabling automatic updates, restart your iPhone and check if the update verification works.
If your iPhone storage is full, the update verification may not be successful. Please delete unnecessary files and applications to free up space.
>> Delete files on iPhone directly:
Step 1. Go to Settings > General > iPhone Storage to see how much space is available.
Step 2. Remove large files, delete apps you don’t use, and offload media.
>> Deeply Free Up iPhone on PC:
FoneTool provides a iPhone data erase feature. You can choose to clean up private data (like photos, messages, videos, call history, Safari history, etc.) or erase all data on iPhone.
Link iPhone to PC > Open FoneTool > Go to Toolbox > Choose Data Eraser > Tap Erase private data or Erase all data > Then click Get Started.
If none of the above methods produce positive results, you may need to check for updates using iTunes. Make sure you backup iPhone data before proceeding with this method.
Step 1. Download the latest iTunes on your PC > Run iTunes > Connect the iPhone to the computer with a USB cable.
Step 2. Click the Device icon on iTunes > Find and click the Summary tab under Settings > Tap the Check for Update button.
Step 3. If there is an available iOS update, iTunes will give you with a prompt to install it > Then hit the Download and Update button.
That’s all about how to fix the issue of “unable to verify update iOS 18”. The above overview mentions different solutions that can help you troubleshoot and fix the problem effectively. Whether you prefer to use a professional repair tool like FoneTool or try some other common methods, hopefully you can verify and install the iOS 18 update with ease.