By Dylan / Last update February 17, 2020

“I’m saving my iPhone with iTunes, but it doesn’t work fine. It could not finish the task and keep saying error occurred so my iPhone won’t backup to iTunes. I really want to save iPhone data to computer. Any help?”

You might often purchase music and videos in iTunes. It is very convenient to use iTunes to manage your media files but if you would like to backup iPhone to iTunes, it might bring you some trouble like iTunes backup session failed. It would be disappointing to see that iTunes won’t backup iPhone. Before knowing why iPhone won’t backup to iTunes, you should know what iTunes backup includes and how it works.

iTunes would back up the necessary data on your iPhone to computer so that you could completely recover iPhone from that backup. It would save the local data on your iPhone, like iPhone settings and your creations with apps. If any data could be downloaded from App Store or iCloud, it would not be saved, like the apps themselves and all the iCloud photos. When you restore iPhone from that backup, iTunes would erase all the content on your iPhone and then import data. You would download other data with Internet connected.

iTunes is convenient because you could backup the whole iPhone to computer by one click but it would not be so convenient for you have no other options. If you meet with problems when using iTunes, you might find no way to fix it. This passage would guide you to solve the problem in 3 steps.

iTunes Error

Why iPhone won’t back up to iTunes?

When you backup iPhone to computer using iTunes, you need to connect iPhone to computer with USB cable so you could troubleshoot your problem from in 3 steps, checking connection, then computer, and then iPhone.

iOS follows very strict rules. When you connect iPhone to computer, you need to tap “Trust” on iPhone to allow connection. If the USB cable or USB port on your computer is broken, it would block data transfer even if you find that it is being changed. In addition, the lack of necessary drive would cause trouble, too.

On your computer, you should disable firewall and antivirus software. Sometimes your iPhone would be regarded harmful to computer.

Your iPhone should be up to date. The latest iOS might help you.

3 steps to troubleshoot iPhone won’t back up to iTunes

The following content would guide you to troubleshoot connection, PC and iPhone.

Step 1. Check system glitches

Before you try any solutions, you should restart iTunes, iPhone, and computer for it could solve most problems about system glitches. Upgrading iPhone and iTunes to the latest version would also be helpful.

Step 2. Check connection

You should try the latest lighting cable to see whether you could start the backup. If you feel the USB ports on PC is loose, you should try another ports or PC.

Apple Mobile Device USB driver is necessary for connecting your iPhone to computer. Right-click the Start button on desktop > select Device Manager > expand the Portable Devices Section > right-click on the device name > click update driver > select "Search automatically for updated driver software." Restart iTunes and try connecting your iPhone again.

Update Apple Driver

Disable you firewall and antivirus software and see whether iTunes could read you iPhone and export data on iPhone.

Step 3. Check iTunes issues

iTunes would save your iPhone data in an incremental backup. If you have old backup on PC, it might affect the task. You could check or uncheck “Encrypt this backup” to make sure the compatibility.

Delete the old backup would also be helpful. Go to Edit > Preferences > Devices and you would see your old backup.

If your iTunes backup failed for not enough space, it is because that iTunes would save iPhone data to C Drive by default. You should change iTunes backup location and try again.

Safely backup what you care to computer

If you want to back up your iPhone without so much trouble, AOMEI MBackupper would be your choice. It is a free professional iPhone backup software and allows you to backup photos, videos, music, contacts, and messages to computer.

Preview and Select: AOMEI MBackupper would let you know which content your backup includes. Preview and select the files you want.

Change Path: You could easily change the path by one-click on the path to backup iPhone to external drive.

Widely Compatible: It supports most iPhone models from iPhone 4 to the latest iPhone 11 and would be perfectly compatible with the latest iOS 13. It also supports iPad and iPod Touch.

Easily backup your iPhone in 3 steps

Step 1. Download AOMEI MBackupper for free. Connect your iPhone to computer and tap “Trust” on it.

Step 2. Click Custom Backup. Click an icon to enter the folder. Select the files you want and click on OK to return.

Select Files

Step 3. You could see and change the path in the lower-left corner. Then click on Start Backup and it would backup your iPhone in seconds.

Click Start Backup

If you would like to check your backup on computer, you just need to click the eye icon or pin icon to view via AOMEI MBackupper or locate the backup on computer.


If your iPhone won’t backup to iTunes, you should follow the instruction in this passage to check the connection, iPhone and computer in 3 steps. The most convenient way to backup what you care is using AOMEI MBackupper to save quick save iPhone to computer. If this passage solves your problem, you could share it to help more people.