11 Best Fixes For Unable To Install iOS 15 Update Issue

Apple provides iOS upgrades regularly to keep your iPhone secure, up to date, and feature-rich. With iOS 15, Apple added a slew of new features. If you recently attempted to install iOS 15 but are unable to install iOS 15, try one of these tried-and-true techniques to resolve the issue. The software update failure issue will be resolved if you follow these steps.

Fix Unable To Install iOS 15 Update Issue | 11 Best Fixes To Try

Whether you’re getting messages like “Unable to install iOS 15” or “An error occurred installing iOS 15,” or you’re getting errors like “Verifying update” or “Update requested,” I’m here to help with solutions that will work for both iOS 15 and iPadOS 15.

Features in iOS 15 Update

  • New and enhanced App Library with a user-friendly interface.
  • You can have more privacy and security with an indicator that warns you when an app uses a camera or microphone.
  • The weather app has been updated with a new design that incorporates a more visually pleasing look for the climatic maps.
  • FaceTime has been upgraded with new features, including Spatial Audio, Portrait Mode, FaceTime meetings, and SharePlay.
  • Multiple consumers have reported a variety of troubles with their iPhone devices, ranging from minor to severe annoyances due to the latest update.
  • With new widgets, you may receive additional information.
  • Siri’s voice has a more natural tone to it.
  • With the help of the new HomeKit feature, people tagged in the photo app may be quickly identified.
  • Safari has been updated to provide the ability to translate websites into seven different languages.

Common Unable To Install iOS 15 Issues

If you’re an iPhone user planning to upgrade to iOS 15, it’s helpful to know what kind of problems you might expect and what steps you can take to fix them right away.

Unable to install iOS 15 issue not uncommon. This holds for the upcoming iOS 15 releases as well. Users who attempted to upgrade from iOS 14 to the current version have reported various more profound concerns than others.

  • The server for the iOS 15 software update could not be reached.
  • I’m stuck on the iOS 15 Update Verification screen.
  • During the installation of iOS 15, an error occurred.
  • Update to iOS 15 has failed.
  • The download of iOS 15 has become stalled.
  • When such an issue emerges, hard resetting the phone is said to work. The answer, though, isn’t a sure thing.

Even after you’ve downloaded and installed the latest operating system, you can find that your phone’s system isn’t working correctly or has troubles that worsen your user experience.

  • Issues with Touch ID, Face ID, iMessage, CarPlay, and AirPlay are among the most common complaints about malfunctioning apps.
  • After the upgrade, some first- and third-party apps have been blamed for excessive battery drain.
  • There have been reports of cases with Bluetooth and Wi-Fi. iPhone is unable to establish a connection.
  • An issue has also been discovered that causes saved photos to be deleted.
  • Touch difficulties have also been reported, such as the iPhone display not reacting to swipes and movements.
  • Other concerns with newly upgraded iPhones include iPhone locked in a boot loop, frequent OS freezes, and crashes.
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How To Fix Unable To Install iOS 15 Update Issue

  1. Check The iPhone Storage
  2. Check The Network Settings
  3. Reset Network Settings
  4. Delete And Re-Download File
  5. Force/Hard Reboot iPhone
  6. Download iOS 15.4.1 With Itunes/Finder On Mac

1. Check The iPhone Storage

Insufficient storage space on your device may cause the Unable to install iOS 15 issues. In this case, check the iPhone storage to ensure sufficient space to download and install an iOS update.

  • Click Settings > General > Software Update to access the iPhone’s update page.
  • The amount of storage necessary to install iOS 15 will then be displayed. 
  • Ensure you have enough free space on your iPhone to accommodate the iOS update file’s data size.
  • Then click Settings > General > iPhone Storage to see how much space is used and how much space is available on your iPhone.
 General
 iPhone Storage
  • If you don’t have enough capacity on your iPhone to update to iOS 15, you should remove caches, garbage files, and unnecessary data.
remove caches, garbage files, and unnecessary data
  • Now, check if the Unable to install iOS 15 issue is fixed or not.

2. Check The Network Settings

To perform the iOS upgrade, you’ll need a solid and stable internet connection. A slow internet connection may cause the update to fail. So, before you start installing, double-check your network connection:

  • Make sure you’re connected to Wi-Fi and that it’s active. You may check this by going to any webpage in Safari.
  • If feasible, switch to a new Wi-Fi network to update your iPhone or iPad.
  • You may also turn off WiFi and then on again to refresh your internet connection.
  • You may also try resetting your network settings by navigating to Settings > General > Reset > Reset Network Settings on your smartphone.
  • Now, check if the Unable to install iOS 15 issue is fixed or not.

3. Reset Network Settings

Reset Network Configuration Not only should you forget the connected or paired device, but you need also restart the device that created the WiFi system file on your iOS device. This is a typical and straightforward method for resolving network-related difficulties on the iPhone, iPad, and iPod touch.

The installed profile will not be deleted if you only do the “Reset Network Settings” operation on your iOS device. You must manually delete them from the Profiles settings.

Resetting Network Settings: A Step-by-Step Guide Versions 15 and up are supported.

  • Open the “Settings” app, which has a gear symbol.
  • Tap “General,” go to the bottom, and then tap “Transfer or Reset iPhone.”
Transfer or Reset iPhone
  • Finally, press the “Reset” button.
  • If you reset your network settings, all network settings that function as a backdoor/behind-the-scenes will be deleted.
  • Select “Reset Network Settings” from the menu.
"Reset Network Settings"
  • After rebooting, enter your iPhone Lock passcode (4 digits passcode or six digits iPhone passcode) and try again. 
  • Other vital settings, such as Media, Messages, and more, will not be erased during this process.
  • Now, check if the Unable to install iOS 15 issue is fixed or not.

4. Delete And Re-Download File

If you still can’t get the iOS 15 update to install, try deleting it and downloading it again. Here’s how to do it:

  • Go to Settings > General > iPhone Storage on your iPhone and look for the update in the list of apps.
  • Select “Delete Update” from the drop-down menu next to the update.
Select "Delete Update"
  • Restart the device, then go to Settings > General > Software Update button to obtain the most recent update.
Software Update button
  • Now, check if the Unable to install iOS 15 issue is fixed or not.
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5. Force Restart iPhone

Better late than never, I recommend forcing a restart of your iPhone and then attempting to update it again. Many severe problems can be resolved by just restarting the computer.

  • Quickly press and hold the Volume Up button.
  • Quickly press the Volume Down button.
  • Hold the Side button down until you notice the Apple logo on the screen. If your iPhone does not switch on automatically after the apple logo, wait for the lock screen to appear and turn it on using only the Side button.
Side button Slide to power off
  • Now, check if the Unable to install iOS 15 issue is fixed or not.

For iPhone 7/7 Plus: 

  • Hold the Volume Down and Power buttons together until the Apple logo appears on the screen.

If you have an iPhone 6S Plus or older.

  • When you notice the Apple logo, press and hold the power button and the Home button.

6. Download iOS 15.4.1 With Itunes/Finder On Mac

You still can’t get iOS 15 to work on your iPhone? Then I’ve got a method for you to get iOS 15 on your iPhone. This tutorial will show you how to use iTunes to install iOS 15 on your iPhone. It is the most acceptable alternative for installing iOS 15 on an iPhone.

  • Using the Lightning connector, connect your iPhone to your Mac or PC. To connect iPhone to a Mac or PC, unlock it and enter the passcode.
  • Start “iTunes.” Ensure that iTunes is up to date. Alternatively, install macOS Catalina or macOS Monterey later through the Finder on a Mac. [Apple has stopped selling iTunes]
  • Choose your iPhone. [On Finder, look for it in the Locations area of the sidebar.] On Finder, you can now see the Device summary.
  • Then select “Check for Updates.” iPhone-in-finder-mac-sidebar
  • Finally, select “Download and Update” from the drop-down menu.
  • Now you must follow the on-screen instructions.
  • Now, check if the Unable to install iOS 15 issue is fixed or not.

Other solutions to unable to install iOS 15 issue

  1. Check If Your iPhone Supports iOS 15
  2. Restart Your Device
  3. Ensure That iPhone Battery Is Over 50%
  4. Wait For A While And Try Again
  5. Force Quit Settings App  
  6. Use Ipsw To Install The Latest iOS Update

1. Check If iPhone Supports iOS 15

Please note that the iPhone 5s, iPhone 6, and iPhone 6 Plus are no longer compatible with iOS 15. If you’re having trouble installing iOS 15, check if your iPhone or iPad is listed as supported.

  • iPhone 13, iPhone 12, iPhone 12 Pro (Max), iPhone 11, iPhone 11 Pro (Max), iPhone XS (Max), iPhone X, iPhone 8, iPhone 7 (Plus), iPhone 6s (Plus), iPhone SE are among the iOS 15 supported devices.
  • iPadOS 15 is compatible with the following iPad models: 10.5-inch iPad Pro, 9.7-inch iPad Pro, iPad, iPad (5th gen), iPad mini (5th gen), iPad mini 4, iPad Air (3rd gen), iPad Air 2

2. Restart Your Device

Restart the iPhone, iPad, or iPod touch if necessary. Sometimes it works to resolve the issue of an Unable to install iOS 15 issues. It may also be the most straightforward move for you to take.

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Simply turn off and on your smartphone to see if this helps address the problem. Continue reading if you haven’t already. Now, check if the Unable to install iOS 15 issue is fixed or not.

3. Ensure That Battery Is Over 50%

To install the iOS update, make sure your battery is at least 50% charged. If the battery is less than 50% charged, connect the smartphone to a charger and download the iOS update after the battery is fully charged. Now, check if the Unable to install iOS 15 issue is fixed or not.

4. Force Quit Settings App 

Try closing the Settings app if you are unable to install iOS 15 issues to install.

  • To force quit the Settings app, swipe up from the bottom of the device and drag it up.
  • Then, on your iPhone, go to Settings – General – Software Version to see if the latest iOS update is displayed there.
  • Now, check if the Unable to install iOS 15 issue is fixed or not.

5. Use IPSW To Install The New iOS Update

The iOS IPSW file can also be used to upgrade your iPhone or iPad. However, because the process is a little more involved, this option is just for technologically advanced individuals. The unable to install iOS 15 issues can be bypassed using IPSW.

  • On your PC, get the IPSW file for your device.
  • Launch iTunes or Finder after connecting your iPhone or iPad to your PC.
  • Click “Update” while holding down the Shift key in Windows or Mac’s Alt/Option key.
  • Then locate and select the IPSW file you just saved.
  • Now, check if the Unable to install iOS 15 issue is fixed or not.

Conclusion

Unable to install iOS 15 issue not uncommon. This holds for the upcoming iOS 15 releases as well. Users who attempted to upgrade from iOS 14 to the current version have reported various concerns, some of which are more profound than others. Follow all the solutions provided above and see which one works for you.

FAQs

Why Is iOS 15.1 Not Installing?

If you are unable to install iOS 15 installing the most recent iOS or iPadOS, try downloading it again: Go to [Device name] Storage > Settings > General. The update can be seen in the app list. Then press Delete Update after selecting the update.

Why can’t I update my iOS to 15?

They are unable to download. If the beta version of iOS is still installed on the device, iOS 15 may be released. Simply go to the Settings app and delete it. Open the Settings app, go to General, and then to Profile. Select iOS Beta Software Profile > Delete Profile from the drop-down menu.

Can I Update My iPhone To iOS 15 Now?

Unless you’re installing it on a computer, make sure you’re connected to Wi-Fi. Then go to Settings > General > Software Update to see what’s new. Choose Download and Install from the iOS 15 menu. After that, tap Install Now, and your iPhone will begin updating automatically.

How Do I Force My iPhone To Update To iOS 15?

To update your software, go to Settings > General > Software Update. There are two software update options that you may see. You may continue to use iOS and iPadOS 14 while still receiving critical security upgrades. Select that option to upgrade to iOS 15 and iPadOS 15. Install Now should be selected.