March 22, 2023

How to fix Ios Update Not working

iPhone, iPad, and MacBook are the three outstanding Apple devices and are products that bring much success and experience to users. Despite bringing high performance, outstanding features, multiple tasks to complete tasks quickly, luxurious and outstanding design, improved battery life, etc., the company’s product lines are entangled. iOS update failure makes the device unable to edit iPhone effectively.

Reasons why users can’t update iOS for iPhone

For iOS users, when an iPhone device cannot be updated to the new version, it will not be able to use the new features. In addition, the iPhone will not be able to operate smoothly, have software errors and cannot ensure other factors to make the device more durable.

What causes the iPhone to not be able to update iOS?

So, if you can’t update iOS, here are some of the causes that affect this problem:

  • The iPhone memory has been stored too much, so there is no free space to update.
  • Because Wifi does not have internet, the update process is faulty, the connection is malfunctioning.
  • Due to a malware error, the virus prevents the update process.
  • iPhone cannot update iOS due to falling from above, strong pressure, water, impact, affecting internal components as well as software.

Instructions to fix the error of not updating iOS on the phone

It’s annoying when you have tried many times to get your iPhone updated to the new version but failed and reported an error. Therefore, you can apply some of the ways below to help fix the error of not updating iOS more effectively!

Fix iOS update failed error: Restart

This is a basic fix, simple but extremely effective. You must restart your iPhone/iPad device to fix software issues, software conflicts including some signal connection errors, version updates, unable to load apps, image display errors…

Restart your iPhone if it fails to update

The restart method for iOS failed to update error will help you get to the root quickly. However, this method has a 50/50 success rate, if you are unlucky then find another way to handle it.

Delete version and update again

Why can’t iOS update after restarting the device? This case may be an error because the update file system is malfunctioning. So, the best fix is ​​to delete the old file and download a new file from scratch.

To fix the error of not updating iOS, do the following:

  • Step 1: Go to Settings => Select General => Select iPhone Storage.
  • Step 2: Search for the newly downloaded iOS version and delete it.
  • Step 2: Go back to the update section to reload and complete.
  • Step 4: If the update fails, you can click “Install” to automatically download the new version to speed up your iPhone

Refill phone battery

The affected iOS failed to update error is related to insufficient battery percentage power. Therefore, every time you are about to update your iPhone, the device will notify you how much battery power it needs to achieve or use a charging cable to plug it into the device to help update the system more effectively.

Charge your phone fully or plug it in before updating

Therefore, to avoid the situation of not being able to update iOS, always remember to fully charge the battery as well as perform a safe way to charge the newly purchased phone battery to update better.

Check network connection

If iOS cannot be updated after deleting the previous version of the file but still showing the message “Unable to check for Update”, it may be because the network connection is not stable. For that, you will need to check your connection again to resolve this issue:

  • Test the internet speed of any website on Safari browser.
  • Check DNS in Settings => Select Wi-Fi => Click on the “i” icon next to the connected network => Change DNS address Cloudflare or Google and check again.
Change DNS address for efficient network connection and better iOS update
  • Turn off the Wifi Router and turn it back on.
  • Another Wifi connection has a stronger signal.

Check Apple System Status

The error of not updating iOS is also another related part because the server of the Apple brand is overloaded, so you cannot update the version to fix the error.

Therefore, you need to check the operating status of these servers by going into System Status – Support – Apple. If the servers have green dots next to them, it means these servers are working very well, orange means maintenance, red means they are down or suspended.

Check if Apple servers are working properly

Clear data, free up memory

One thing that prevents the device from updating iOS is because the iPhone contains too many image files as well as applications that make the memory space out of space. This is the main reason why you can’t upgrade to the new iOS, so doing a way to delete application data on iPhone will “revive” the original device:

  • Step 1: Go to Settings => Find and select General => Select iPhone Storage.
Check iPhone capacity to free up memory as recommended
  • Step 2: At this window, the device will encourage support for freeing unnecessary memory such as:
  • Offload Unused App: Delete apps that are rarely used but your personal data will not be deleted.
  • Review Large Attachments: helps you to find which files are large and some old messages. You can manually delete these unimportant files.
  • iCloud Photos: iPhone will automatically back up photos and videos to iCloud. When the backup is successful, you can delete the original photos and videos inside the device to save data.
  • Auto-Delete Old Conversations: Removes attachments and old messages from years or years ago.

Remove the configuration that blocks new iOS version updates

The reason why you can’t update iOS is because you are using an iPhone device but it is a Like new, Secondhand item or someone gave it to you. It is possible that these products already have the new iOS operating system installed.

So to fix this, you can go into Settings => Find and click General => Select Configuration and delete the files that are blocking your version from completing the update. When done, double check if your phone is able to update the software.

Update OS using iTunes

If you’ve done a lot of the above but still can’t update iOS, the system can’t follow the setup commands as instructed, then choose to update using iTunes. This way, you can sync iPhone with MacBook using a cable connected via iTunes software.

Sync two devices to update iOS using iTunes

You can still do this on earlier and later versions of macOS Mojave to help fix the error of not updating iOS as follows:

  • Step 1: Use a USB-C Lightning cable or Support Dock to connect the two devices together.
  • Step 2: Open the iTunes application on your computer and perform the synchronization on the iPhone that you need to update.
  • Step 3: Click the Check for update box => Click Download to download => When successful, click Update
Updating on iTunes brings more system efficiency

If you are using the macOS Catalina version, then you can do the fix for the iOS not updating error via the Finder feature. So, please pay attention to follow the following troubleshooting steps:

  • Step 1: Connect iPhone to Mac to perform the update on the machine.
  • Step 2: Open Finder feature => Click on the device name in the left display bar.
  • Step 3: Follow the same steps as iTunes to fix iOS not updating error.

Restore factory settings

The last resort to deal with this annoying problem is that you need to set up a way to restore factory settings. This is one of the most effective ways to help the software inside be processed from the beginning, delete the old software and reset the factory settings back to the original (like a new phone purchased).

Factory reset brings the system back to the way it was

Note: This will make the iPhone erase all the old personal data that is still stored inside the device. So, before doing this, make sure that those important data are backed up on iCloud, your computer, Google Drive or to another iPhone.

Here’s how to perform a factory reset to deal with iOS failure to update:

  • Step 1: Go into Settings app => General => Device Transfer or Reset or Reset.
  • Step 2: Select the item Reset all factory settings.
  • Step 3: Choose your decision one more time and the device will begin the reset.
  • Step 4: Check if your iPhone can update to the new version or not.


Those are the ways to help you fix and handle the error of not updating iOS extremely effectively. If you have any questions or are having a problem, let us know in the comments down below.

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