By Nick / Last Updated January 21, 2020

Meet with problems when backing up iPhone with iTunes?

“I was trying to back up my iPhone 8 yesterday. Everything was perfect until I come across the problem from iTunes. It said iTunes could not back up the iPhone because the iPhone disconnected. I am sure I plug my iPhone to computer and any could help me to solve the problem?”

iTunes Disconnected

You might face the embarrassment when using iTunes to back up iPhone. When iTunes could not backup the iPhone because the iPhone disconnected, it could confuse you for you had used this software before and it worked well. In fact, as the operating system is running, changes are happening anytime so that it can’t make sure that you can use this software successfully every time. However, every problem would have a solution. Let’s see how to fix the problem.

Possible causes for iPhone disconnecting issue

Disconnecting could be caused by two reasons: malfunctions of both hardware or software. Both of them could lead to disconnecting. Let’s start to analyze the likelihood of hardware problem.

Check Cable: Not any cable can be used to transmit data between iPhone and PC, even if it can be used to charge your iPhone. If you don’t use the lightning cable, it would be very likely that this cable couldn’t be used to transmit data. You can change the cable and try again. If you use the original cable, please make sure that it is not so old or broken.

Check USB Port: You need to check the interface whether it is too loose, which might be caused by impact. If you haven’t used a USB port for a long time, it might rust or there would be dust. You should clean the USB port to make sure the normal connection. You can also change the USB port and try again.

If you use a USB hub on your computer, it would be possible that your computer can’t supply enough power to your phone. You should try to connect your iPhone with computer directly.

The problems caused by software refers to the operating system and applications. You need to check and update them.

Check Security Software: For the safety of your PC, it is likely that the connection would be blocked by your antivirus software. You should disable it for a while and try again.

Check Driver: 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.

Restarting: You can reboot your PC and iPhone and try again. The background of system could be very complicated. The unseen programs would interfere with connection. Rebooting could fix the problem.

Check iTunes Update: To update it, you need to click Help and select “check for updates”. iTunes would give the information whether you need to update this application. Some people also said that they fixed the problem by uninstalling iTunes and reinstall it. You can try it, too.

Check OS Update: Some application would not support the old operating system, so to avoid the incompatibility, you need to update your operating system to the latest version. To check the update of your operating system, you should go to Start menu, click the gear-icon Settings, then click Update and Security, and click Check for Updates to see whether there is a new version for windows.

If the solutions above still can’t solve your problem. You should keep the error code and screenshot contact Apple Support so that they can narrow down the problem.

Since iTunes can’t detect your device, you could try another iPhone backup software.

Quickly and safely backup iPhone via an easier way

If you met the problem of iPhone not backing up to the computer and can’t fix it, AOMEI MBackupper could be your choice. It could be used to backup photos, videos, music, contacts, and messages on your iPhone

Preview Files: Whenever you back up or restore your phone, you could preview and select the files to get what you need.

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.

Tech Support: Still worry about problems happening? Contact the support and you would be replied with a professional answer.

How to use this simple application?

You just need at most 3 steps to backup your iPhone. Follow the steps below.

Step 1. Download and launch AOMEI MBackupper. Connect your iPhone to computer with USB and remember to tap Trust This Computer.

Step 2. Click Photos Backup or Custom Backup. You could preview and select files by clicking an icon to enter Selection. After selecting the needed files, click the orange button OK.

view files in selection

Step 3. Click on Start Backup in the lower-right corner and your task would be completed in seconds.

backup iPhone

When you would like to restore your iPhone, you could just select the task and click the arrow icon Restore. Of course, you could select the needed file by clicking an icon before restoring.


If you find that iTunes could not backup the iPhone because the iPhone disconnected, both the problems of hardware and software could lead to iTunes not detecting the iPhone. You can troubleshoot those problems with the direction of this article or contact Apple Support for professional direction. If you think the procedure is too complicated, you can try another iPhone backup software like AOMEI MBackupper.