If you have been trying to install iOS fifteen, just it won’t install, there are many reasons why this may be the case.

The reasons include technical bug, such as non having enough gratis infinite on your device or not existence connected to Wi-Fi or cellular data. It can besides be caused by your device already being too full or experiencing some software issues that need to be fixed offset earlier installing the latest iOS version.

This post will show you how to set up it.

Reasons Why iOS 15 Won’t Install

There are many reasons why your phone might not be able to install the new iOS 15 update. Here are some of the most common problems.

i. The Apple Servers are Downward

Ane of our most mutual reasons why yous may be having issues installing Apple iOS arrangement updates is that your Apple Server is down.

This reason can be affected by other factors such as a power outage, maintenance, or technical issues. While these are not excuses for non being able to perform a software update, it may give the states an idea of where to start looking if nosotros’re unable to go aid from our local networks and ISPs (Internet Service Providers).

The bulk of Apple updates should apply inside a matter of minutes but if yous practise get prompted with an error message it will usually relate back to ane of these two areas.

As ane example, some people might see something similar in their screen that says Cannot Verify Update or something similar.

two. Lack of Enough Space on Your Device

If iOS 15 downloaded but wont install results to your iPhone getting an fault message, it’s likely that you lot don’t accept enough space on your device.

iphone storage full

If you think you practise, try cleaning upwardly past deleting erstwhile apps or photos. When in doubt, plug your phone into a computer and employ iTunes to check how much space is available.

3. You’re Using an Unsupported Device

Sometimes, an update only won’t install on older devices. If you’re still using a first-generation iPad, iPhone, or iPod touch, for instance, iOS fifteen downloaded only wont install . (If you lot have an iPad 2, it works with iOS 9.)

Apple occasionally drops support for these devices in order to keep its operating arrangement lean and speedy.

4. Your iPhone is As well Low on Battery Power

To download and install a new version of iOS, your iPhone must have at least l percent battery life.


If you’re trying to upgrade your device and information technology doesn’t have enough power, connect it to a charger and give it some time to juice up before trying once more.

five. Phone Isn’t Backed Up

One of the primary reasons why an iPhone won’t install a new operating system is that it isn’t fully backed up.

To make sure your phone is ready to install, connect information technology to your computer and back it up using iTunes.

Apple also recommends that you lot use iCloud to back up photos and other important information; download your pictures, then sync them dorsum to your device via iCloud Photo Library.

vi. Your Device isn’t Connected to Wi-Fi or Cellular Data

Make certain your device is continued to Wi-Fi or cellular data, as yous need an Internet connection to download a massive software update.

Otherwise, you may exist able to grab updates past connecting your device to iTunes on your computer. Apple tree provides official instructions for updating through iTunes on its support website here.

You May Like: How to Gear up iPhone Stuck on Verifying Update iOS 15

Ways to Gear up iOS xv Won’t Install

Sometimes when you are trying to update your iOS to the latest iOS fifteen, the organisation displays the error message.

This can be very abrasive if y’all don’t know how to fix information technology and you can’t find any solutions online or you tried them just nothing works and you still run across the same error message displayed on your iPhone or iPad.

So how do y’all prepare this problem?

Apply StarzSoft Fixcon

If you’re not a reckoner whiz, things can get a fiddling complicated when information technology comes to getting your device working again. Fortunately, in that location are tools that let even not-techies to set up their Apple device in only a few minutes.

StarzSoft software is designed for Windows users, which means yous don’t have to be afraid of getting lost along the mode.

StarzSoft Fixcon also has detailed instructions that walk y’all through each footstep of fixing your problem. It’southward like having an expert right at your fingertips!

Step 1. Download & install StarzSoft Fixcon on your reckoner.

Footstep 2. Launch Fixcon and select the Standard Repair mode.

fixcon home interface

Step 3. The software volition recognize your iPhone model and show the related firmware, click on Download.

fixcon download firmware package

Step 4. After downloading, outset to set the iPhone won’t install iOS 15 effect. The whole process will take no longer than 3 minutes.

fixcon repairing device

Turn off Device Blocking in Anti-virus

If y’all’re using an anti-virus software on your computer, similar Windows Defender, yous’ll need to disable information technology temporarily for your device (iPhone) to install.

While about anti-virus programs allow for such exceptions, double check that yours does as well before standing.

Restart Your Device

If you lot are having problems downloading or installing new updates, try restarting your device.

Step 1. Get-go, turn off your device.

Step 2. Press and hold down on both of your device’s Home buttons (the ones below the screen) for at least 10 seconds until you run across Slide to power off on-screen.

restart iphone

Step 3. Swipe your across that slider bar and expect for your device to shut down completely.

Disable VPN

If you can’t install iOS updates on your iPhone or iPad because Apple servers are inaccessible, and you lot have a virtual private network (VPN) enabled, and then turning off your VPN connection might resolve your consequence.

You can do so by going into Settings > General > VPN and switching off Enable VPN pick.

Just remember that if you’re using a business network or i that isn’t secured with an IP address, y’all should get out it enabled.

Bank check If You lot Have Plenty Free Storage Infinite

Nosotros recommend that yous have a minimum of 2 GB free on your device.

To check how much free space you have bachelor, follow these steps Go to Settings > General > Storage.

iphone storage

If yous don’t have enough storage space, delete some items from your device and effort once more. If you lot still can’t update after trying all of these options, contact Apple tree Support for further assistance.

Final Thoughts

As stated above, y’all should accept no trouble getting your iOS app running after installing a new version of iOS.

To brand sure you don’t run into iPhone won’t update problems, be sure to download all bachelor security updates for your reckoner operating organisation in society to prevent any unknown compatibility bug.

However, if you do find yourself having a problem during an update or after one has been completed, leave u.s.a. a comment with your issue and nosotros volition attempt our best to help you as shortly equally possible.