[2025 Full Guide] All About iOS Update Issues and Solutions

iOS update always comes with new features and bug fixes, that's why you want to make an update in time. However, there can be a series of problems throughout the update process.

You may have encountered some iOS update problems and are looking for the solutions. This article is the full guide to iOS update issues and solutions, hope you can learn from it.

Whether you want to enjoy innovative features or simply want to keep your device up-to-date, upgrading to iOS 18 seems to be a great choice for getting the best experience.

But how to update iOS 18 on iPhone smoothly? Whether you're updating directly from your device, or using a computer, this guide will walk you through everything you need to know to successfully update to iOS 18. Let's get started!

Precautions before updating to iOS 18

• Check your device's compatibility to make sure you can update to the latest version of iOS.
• To safeguard your data, create a backup using iCloud or iTunes/Finder.
• To download and install the update, please make sure your device is connected to a stable internet connection and there are adequate storage space.

1 Over-the-Air (OTA) Update

The first method for how to update to iOS 18 is through the Settings app, let's see how does this method work.

Step 1: Open Settings, go to General > Software Update.

Step 2: Tap Download and Install or the Update Now button if the iOS 18 update appears.

Step 3: Follow the on-screen prompts to complete the process.

2 Using iTunes/Finder

About how to update iPhone to iOS 18, the second official way is by iTunes or Finder. To use this method, try the following steps.

Step 1: Connect your device to a PC or Mac.

Step 2: Open iTunes (PC) or Finder (Mac).

Step 3: Select your device and click Check for Update.

Step 4: Follow the promptes to download and install iOS 18 to your iPhone.

3 Try Third-party Update Tool

If you do not have iTunes or Finder installed on the computer, try the third method to start the iPhone iOS software update using iMyFone Fixppo.

Step 1: Download and install the software, then connect your iPhone to the computer using a USB cable.

Step 2: Choose iOS Upgrade/Downgrade > Upgrade iOS from the interface.

Step 3: Downloading the iOS firmware by clicking the Download button.

Step 4: When the firmware is downloaded to your computer, click the Start Upgrade iOS button, the process od updating your iPhone to iOS 18 will begin automatically.

With the above 3 methods, you can start the iOS 18 update process without hassle. However, successfully performing an iOS 18 update can encounter various problems. Have you run into the same problems like other users? If so, here are the corresponding solutions.

1 iOS 18 Update Not Showing Up

The first problem you may encounter before starting an iOS update is that the iOS update is not available when you check for updates. This can happen due to several issues like device compatibility or unstable internet. The good news? It’s easy to troubleshoot and resolve the problem.

2 Unable to Check for Update

If your device shows this "Unable to Check for Update" error, it’s often caused by network issues, incorrect settings, or temporary glitches in the system. Thankfully, there are simple ways to resolve this problem and get your update back on track.

3 Download and Install Button Greyed Out

Your device is able to check for the iOS update but when you're in the update screen, only to find that the download and install button is greyed out. This situation can happen for a variety of reasons, from low battery levels to restricted settings. Let's see if the below adjustments can help you get the chance to update.

4 iOS Stuck on Update Requested

If your iPhone stuck on update requested screen after successfully seeing and clicking the update button, here are some possible solutions for you. You can try them one by one for troubleshooting.

5 iOS Update Stuck on Download and Install

The update process can start only when the iOS firmware is downloaded to your iPhone. However, when your iPhone stuck on download and install process, what can you do? To help you out, we've prepared several quick solutions.

6 iPhone Stuck on Preparing Update

When your iPhone gets stuck on preparing update, it can feel like time is standing still. This phase is where your device verifies the downloaded update, but network issues, low storage, or software glitches can stop your device from continuing updating to iOS 18.

7 iPhone Stuck on Install Now

You've tapped the "Install Now" button to update your iPhone, but nothing happens, and you’re left wondering what went wrong. This issue is probably caused by software glitches, unstable connections, or low storage space.

8 iPhone Stuck on Verifying Update

When your iPhone is stuck on verifying update, it can be frustrating, especially when you’re about to complete the update process. This phase ensures that the downloaded update file is error-free, but network issues, software glitches, or server delays can leave your device hanging. However, this is an easy problem to fix.

9 iPhone/iPad Update Stuck

What if the update still won't complete and the iPhone/iPad update process stuck halfway? To make the updaye process proceed smoothly, try our recommended solutions.

10 iPhone Update Taking Forever

Normally speaking, it takes 1.5 hours to complete the whole update process. However, you may find the iPhone update taking forever that makes you not able to update your iPhone no matter how much time you spend on waiting. To solve this issue, here're some solutions.

11 iOS Update Paused

Updating your iPhone should be a smooth process, but sometimes the iOS update stops unexpectedly, leaving you stuck in the middle. This can happen for a variety of reasons, like a weak Wi-Fi connection, or the insufficient storage.

12 iPhone Frozen During Update

After receiving the iOS update prompt, you may rush to start the update, but the iPhone frozen during update without knowing. This can cause you unable to complete the system upgrade or enjoy the Apple's features. Let's see what are the solutions.

13 iPhone Crashed During Update

Another similar problem is that iPhone crashed during update. Since things don't go as planned, you can have a try with our solutions to complete the update to enjoy new features or improvements.

14 Software Update Failed

You may receive the error message of "An error occurred downloading iOS", indicating that the iPhone failed to update software. Besides the common reasons, the corrupted iOS firmware can also lead the iPhone fail to complete the update.

15 iOS Won't Install

When the "Unable to Install Update. An error occurred installing iOS" window pops up, you can click to retry. However, you may find it hard to succeed after trying several times. How to fix it? Does it mean that your iOS won't install update forever? Here's a list of solutions.

16 iPhone/iPad Won't Update

Why won't my iPhone update? After making sure that the iPhone can be updated, the available storage space and the stable network conection are the main reasons why your iPhone/iPad won't update. All solutions mentioned above can get your iPhone update automatically again. Try all the ways and you can figure out which one can meet your need.

There are still problems after iOS 18 update. Your iPhone battery may get hot or the iPhone may stop charging abnormally. Let's see what are the problems and how to fix them without causing damage to the device.

1 iPhone Won't Turn On After Update

Completing an iOS update should leave your iPhone running smoothly, but if your iPhone won't turn on after iOS update, it can be due to a drained battery, software glitches, or even a corrupted update file. There are practical steps you can take to bring your device back to life.

2 iPhone Stuck on Apple Logo After Update

Getting stuck on the Apple logo after update can be a real headache, especially when your device is unresponsive. It typically happens due to various reasons. While it can feel worrying, there are several effective solutions you can try to resolve the issue.

3 iPhone Touch Screen Not Working After Update

If your iPhone's touch screen is not responding after update, it can cause you a great inconvenience, especially when you can’t interact with your device.

This issue might arise due to software bug, or glitches during the update process. Whatever the cause, there are several steps you can take to make the touch screen responsive again.

4 iPhone/iPad Frozen After Update

Many users have reported that their iPhone/iPad frozen after update, they can't enter the home page nor use any features. IF that's the case, you can try the following solutions to unfreeze your device.

5 iPhone Overheating After Update

iPhone overheating after update is also one of the most discussed topics in every iOS upgrade. If your iPhone is getting hot after iOS 18 update, there are several ways you can take to cool your iPhone down and prevent future overheating.

While the new features of iOS 18 might sound appealing, some of you may encounter bugs, compatibility issues, or performance problems that make you want to go back to iOS 17.

Whatever the reason, downgrading to an earlier version of iOS can offer a smoother experience. If you're wondering how to downgrade from iOS 18 to iOS 17, here's a step-by-step guide to help you do so safely.

1 Downgrade iOS 18 to 17 Using iTunes

The first method for downgrading from iOS 18 to 17 is by using iTunes, the offcial way of managing your Apple device. To successfully downgrade from iOS 18 to 17, follow the steps below.

Step 1: Download the signed version of iOS from the official website of IPSW.

Step 2: Back up all your data to the computer via iTunes.

Step 3: Open iTunes again and connect your iPhone to the computer.

Step 4: Locate your device under the Summary tab.

Step 5: On iTunes, hold the Option (Mac) or Shift (Windows) key and click Restore iPhone. Choose the iOS IPSW file you downloaded earlier to begin the downgrading process.

2 Downgrade iOS 18 to 17 Using Fixppo

If you think the iTunes method is complicated, downgrading iOS 18 to 17 on iPhone using Fixppo can be easiest way to downgrade iOS software without iTunes. With simple clicks, you can revert to the previous version of iOS.

Let's see how to use it to back up then downgrade from iOS 18 to 17.

Back up iPhone data

Step 1: Download and launch Fixppo, connect your iPhone to the computer, then choose the Back up and restore data tab.

Step 2: Choose Data Backup to enter the interface of iPhone data backup.

Step 3: After choosing the storage path, hit the Start Back Up button for Fixppo to begin backing up the iPhone to your computer.

Wait patiently, then you can head to downgrade the system.

Downgrade iOS 18

Here's the detailed tutorial on how to downgrade iOS version using Fixppo.

Step 1: Launch iMyFone Fixppo, connect your iPhone to the computer and choose iOS Upgrade/Downgrade tab.

Step 2: Click the Downgrade iOS from the right side to downgrade your iOS without iTunes.

Step 3: Fixppo will begin to detect your device and show you the available iOS firmware for downgrading. Click the Download button to get the iOS firmware.

Step 4: When the firmware is downloaded, click the Start Downgrade iOS button for Fixppo to begin downgrading from iOS 18 to 17.

When the downgrading process is complete, your iPhone will reboot itself. You can revert to iOS 17 from iOS 18 now.

There are so many iOS update problems that you may encounter during or after the update process. To save you the trouble and time, you can try to fix all iOS update issues using this iOS system repair tool, iMyFone Fixppo.

Compatible with all iPhone models and iOS versions, Fixppo can fix almost all iOS update issues without losing data.

Key Features of iMyFone Fixppo:

• No data loss - 4 steps to fix iOs update problems without losing data.
• One-click upgrade/downgrade - Upgrade or downgrade iOS without manually downloading the IPSW file, saving time and trouble.
• High success rate - Fix iOS-related problems with 99% success rate, easy-to-use for everyone.
• Free to use - Allow to enter/exit recovery mode in 1 click for free.
• Wide compability - Compatible with all iPhone models and all iOS versions, including iPhone 15/16 series and iOS 17/18.

Let's see how to fix various iOS update problems via iMyFone Fixppo.

Step 1: Download and install iMyFone Fixppo to your computer. Open it and then connect your device to the computer via USB.

Step 2: Choose Standard Mode, which will retain all your iPhone data when fixing the iPhone problem.

Step 3: When your iPhone is detected by Fixppo, please click on the Download button to get the firmware for the device that is necessary for the fixing process.

Step 4: When the firmware is downloaded, please click on the Start Standard Repair button to let Fixppo begin to fix the iPhone problems right away.

The fixing process won't take long and your iPhone will be restarted after the process. You can use your iPhone smoothly now!

Experiencing issues with your iPhone can be frustrating, but with a few proactive measures, you can minimize the chances of encountering problems in the future. Here are some tips to help you prevent future iOS update issues:

We've concluded some problems you may encounter during or after iOS update, hope this post can help you resolve the problem and finish the update process smoothly.

Moreover, to upgrade, downgrade or fix iOS-related problems, iMyFone Fixppo is always your good helper. As an easy-to-use software, it's worth trying!

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Article by

Melvin Cooper

Melvin Cooper has over 10 years of experience in the technology industry and is an expert at providing tips and handy solutions to Apple and Android users. Dedicated to helping millions of users improve their experience with mobile devices, he has maintained an impressive record of solving problems.