Why Can’t I Download iOS 15 on iPhone?

Why won’t my iPhone update to the latest iOS or iPadOS? Read this guide to get the causes and also the quick tips to fix the cannot download iOS 15/iPadOS 15 on iPhone iPad problem.

Author Avatar Joy Taylor Last Updated: Sep. 27, 2021

iOS 15 is here, coming out with new features and some improvements. And the newest version of iOS 15 is available to the public. Like many other users, you just can’t wait to download and install iOS 15 on your iPhone or iPad to try the new features. However, updating does not run smoothly as you expected. You just cannot download iOS 15 or are unable to install iOS 15. Why you can’t download iOS 15 and how to fix this annoying issue? This guide will give you the answer.

Why Can’t I Download iOS 15?

  • Your iPhone or iPad is not in the new iOS supported devices list.
  • You haven’t deleted the iOS beta version.
  • The Wi-Fi network is not stable.
  • Not enough space on your device to download iOS 15
  • Your iDevice is out of power.
  • Apple’s service is overloaded.

How to Update to iOS 15 if it Keeps Failing to Download

If you tried to restart your iPhone, checked iPhone storage and internet connection earlier by yourself, but haven’t solved the update issue. Here we’d like to recommend you an iOS/iPadOS savior first. Because whenever you want to update to the latest iOS version, AnyFix – iOS System Recovery can help you. You can not only get the update but also choose one as you wish. It is also capable of downgrading the iOS version without iTunes if you don’t like the updated one later.

Besides, AnyFix can save your life from 130+ iOS/iPadOS problems like iPhone stuck on the Apple logo, iPad won’t update, update requested took forever, etc., and also 200+ iTunes errors when you downloading new iOS 15 like iTunes error 14, iPhone won’t connect with iTunes, etc.

Check how can AnyFix help you update to iOS 15 or iPadOS 15 successfully:

AnyFix – Update to iOS as You Wish

  • Update to the latest iOS and beta version with simple clicks.
  • Support iPhone/iPad/iPod touch to upgrade.
  • Fix iPhone/iPad update issues with System Repair.
  • Feel free to roll back to an older iOS version.

Free Download100% Clean & Safe

Free Download100% Clean & Safe

Free Download * 100% Clean & Safe

Here you can follow the steps below to update iOS or iPadOS:

Step 1. First, get the latest version of AnyFix on your computer. Launch the software and choose Upgrade/Downgrade iOS.

Choose Upgrade/Downgrade iOS

Choose Upgrade/Downgrade iOS

Step 2. Connect your iPhone with computer > Choose 1 click to upgrade iOS/iPadOS and Start Now.

Select 1 Click to Upgrade iOS/iPadOS

Select 1 Click to Upgrade iOS/iPadOS

Step 3. AnyFix will detect and show you the newly iOS 15 beta, iOS 14.7.1, etc. according to your iOS version now, which is higher than the current one. Get the version you want to be downloaded and head to Upgrade button.

Choose the Latest iOS Version to Update

Choose the Latest iOS Version to Update

Step 4. AnyFix will start upgrading the device. Once it’s completed, you will see the Upgrade Completed page.

Upgrade Completed

Upgrade Completed

Also Read: iOS 15 Update Issues You May Meet with Quick Fixes >

How to Fix Can’t Download iOS 15 on iPhone

Tip 1. Restart or Reboot Your iPhone

Try this method first if you meet the can’t download iOS 15 issue on iPhone iPad.

Restart your iDevice: Press and hold on to the power button > Drag slide to power off > Open your device again after a few seconds.

Reboot your iDevice: Press and hold on to the power button and the Home button until the Apple logo appears.

Tip 2. Delete Beta Version

They cannot download iOS 15 may happen if the beta version is still on the device. If so, just go to the Settings app to remove it.

  1. Open Settings app > Tap General > Scroll down and tap on Profile.
  2. Tap iOS Beta Software Profile > Delete Profile.
  3. Reboot your device > Go to download iOS.
Delete Beta Version

Delete Beta Version

Your device cannot download iOS 15 when the Wi-Fi network is poor. So make sure that your iPhone or iPad has an active Wi-Fi network connection.

Tip 4. Free Up Space on Your iPhone or iPad

The unable to install iOS 15 issue will happen when there is no enough space on iPhone iPad. You can delete some useless apps, old messages, unwanted photos, or songs to free up space. Just back up your device in advance in case you delete some important items accidentally.

Further Reading: How to Free Up Space on iPhone iPad >

Tip 5. Keep Device Will Charged

Make sure your iDevice is at least 50% charged, or you can just connect it to a power source. Then your iPhone or iPad will not drain out during the update process.

Tip 6. Wait for Few Hours

There may be so many users trying to update iOS 15 at the same time, and cause Apple service to overloaded. You can try to download after a few hours or a few days, it will be much smoother to make it over the air.

Tip 7. Update iOS 15 via iTunes

The “Can’t download iOS 15 on iPhone iPad” issue often happens to users who try to update over the air. You can try to update your device via iTunes on Windows or upgrade with Finder on your Mac instead.

The Bottom Line

That’s all for why can’t you download and install iOS 15 and why won’t my iPhone update to iOS 15 and the quick fixes. If you have any problems, just leave a comment and we will help you out soon.

AnyFix – iOS/iPadOS System Recovery

If your iPhone or iPad won’t update to iOS 15 or iPadOS 15 because of not downloading, stuck in updating, etc., you can try AnyFix and upgrade iOS 15/iPadOS 15 with ease. Besides, you can also fix all update issues with System Repair and update on your own device.

Free Download100% Clean & Safe

Free Download100% Clean & Safe

Free Download* 100% Clean & Safe

Author Avatar
Joy Taylor Twitter Share Facebook Share

Member of iMobie team as well as an Apple fan, love to help more users solve various types of iOS & Android related issues.

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