By AOMEI / Last Updated October 29, 2020

“I need help. My iPhone won’t update to iOS 13. I’ve tried to update my iPhone X for several times, but never succeed. Could you please give me some advice?”

iOS is an excellent operating system that would keep stable after iPhone has been used for years. However, you might find something wrong when using iPhone and it usually could be solved after upgrading iPhone to the latest iOS. Upgrading iPhone would often be completed without efforts, but it would be very disappointing when iPhone won’t update after you have tried many times.

You could know why your iPhone won’t update and easily solves the problem with the 4 solutions in the following content.

Section 1. Why iPhone won’t update iOS 12/13?

When you download the necessary package would new iOS, it would consume the space on iPhone, often several GB, so you should make sure that you have enough space on iPhone.

Internet is very important. To download the large package would take a long time. If you haven’t connected iPhone to a fast Wi-Fi, your task might need more time to complete or be corrupt for the unstable connection.

After the new iOS has been released, most users would receive the notification and upgrade iPhone to the latest version right away. At this time, Apple server is frequently visited by too many users. Consequently, some users might be wrongly responded. You need to update iPhone in another day.

iOS 13

Section 2. 4 solutions to solve the problem when updating iPhone

After knowing why your iPhone won’t update, you could follow the solutions below to solve every problem.

#1 Stop downloading in other apps: Internet speed decides how long it takes to prepare the necessary package. If you are downloading songs or movies in iTunes Store, it would take a longer time. You should stop downloading files or watching movies online to let the task completed as soon as possible. If you want to use iPhone as usual without interfere with preparing new iOS package, follow the next method.

#2 Update iPhone via iTunes: You might receive the notification to update iPhone every time you connect iPhone to iTunes. You could also manually update iPhone via iTunes. Download iTunes > connect iPhone to computer with USB cable > click the phone shape icon to enter Summary of iPhone > Click Update. The package for upgrading iPhone would be saved to computer and you could decide when to upgrade iPhone.


#3 Free up iPhone Space: If you have no space on iPhone to download the package, iPhone would temporarily remove some apps to release storage, but it would do nothing with the local data and you could recover the app from App Store. iPhone failed to free up storage, you might need to free up iPhone space by yourself.

There are many media files like songs and videos on your iPhone. They take most storage on iPhone so you could use iPhone backup software to transfer files like songs, videos and photos from iPhone to computer to release space on iPhone.

#4 Delete package: If you get the wrong response from Apple server, you could not update iPhone even if you have downloaded the package to your iPhone. If iPhone tells that “Unable to Check for Update” or “Unable to Verify Update”, you need to delete that package and download it again.

Delete the package: iPhone Settings > General > Storage

Download the package: iPhone Settings > General > Software Update

Tips: You should make sure that iPhone has enough power. You’d better connect iPhone to power when installing new iOS. If the process failed for low power, you could try it again after charging iPhone. To avoid iPhone breakdown, you should backup iPhone before updating iPhone.

Section 3. Protect iPhone data before updating iPhone

Before upgrading iPhone, you should save iPhone data to computer in case of any damage to your data. New iOS could fix some problems in the previous version, but it also brings new problems. Some users report that they lost photos after upgrading iOS 13. Consequently, you should do 2 things before upgrading iPhone, saving iPhone data to computer and looking into the reviews about the new update.

You could use AOMEI MBackupper to quickly save iPhone data. It is a free professional iPhone backup software. You could use it to backup iPhone photos to computer in seconds. Except for photos, you could also save contacts, messages, music, and videos at the same time.

Preview and Select: You could preview and select the files when backing up or restoring iPhone.

Widely Compatible: It supports the latest iOS 13. You could use it to save iPad or iPod Touch, too.

3 Steps to save what you want to computer

Step 1. Download AOMEI MBackupper. Connect iPhone to computer with USB cable and tap “Trust” on it.

Step 2. Click Custom Backup. Click an icon to select what you want and click OK to return.

Select Files

Step 3. Click Start Backup to start to save iPhone data.

Click Start Backup


If your iPhone won’t update, you could solve the problem by stopping downloading other files, clearing iPhone space, deleting the update package, or upgrading iPhone via iTunes. You could use AOMEI MBackupper to make iPhone backup before upgrade to avoid losing important data. If this passage solves your problem, you could share it to help more people.