Fix: iTunes Could Not Backup the iPhone Because the iPhone Disconnected Issue

When you try to back up your iOS content via iTunes, you might receive a warning notice saying that iTunes could not back up the iPhone because the iPhone disconnected. Generally, you have no clue about this situation. Don’t worry, this article will show you the solutions to fix this problem.

By Faye Clarke | Posted on: Jun. 18, 2019, Last Updated: Jul. 15, 2019

Backing up and restoring iDevices from an iTunes backup should be easy, however, sometimes the backup and restore process stops or fails due to unexpected errors. Recently, many iOS users keep emailing us complaining that while backing up iDevices before iOS update, a message pops out saying “iTunes could not back up the iPhone because the iPhone disconnected”.

iTunes Could Not Backup the iPhone Because the iPhone Disconnected

iTunes Could Not Backup the iPhone Because the iPhone Disconnected

Actually, many iOS users might also encounter problems like “iTunes could not restore the iPhone because the iPhone disconnected”,” iTunes invalid response“. If you are also stuck on such iTunes backup or restore problems, here are some quick fixes.

Part 1. iTunes Could Not Backup the iPhone Because the iPhone Disconnected

Before getting started to fix iTunes could not back up the iPhone because the iPhone disconnected problem, please make sure:

  1. You have connected your iPhone to your computer.
  2. You are using the original Apple USB cable.
  3. You did not jailbreak your iPhone.

Solution 1. Trying Another USB Cable

For the majority of issues about “iTunes could not backup the iPhone because the iPhone disconnected”, the USB cable is the first to be blamed. Try another USB cable and maybe you can then backup iDevices freely.

Solution 2. Resetting Network

Go to Settings > General > Reset > Reset Network Settings. All network settings might be erased. Be free to reset network settings for it does no harm to your existing data on iDevice. Many people have fixed iTunes could not backup the iPhone because of the iPhone disconnected issues by resetting the network.

Solution 3. Booting Mac Computer

If you are using a Mac computer, this solution may work to solve iPhone disconnected error during backup.

Restart Mac and then press and hold the Shift key immediately, then a white Apple logo will appear, release the shift key when you see the login window.

Solution 4. Using an iTunes Alternative

If you tried the common methods above but none of them are working, it is high time to choose one 100% safe iTunes alternative tool like AnyTrans for iOS to backup and restore iOS device data. Below are its features:

Now, Free Download AnyTrans for iOS on your computer firstly, and then follow the steps below to back up your iPhone with ease.

Free Download

Free Download

* 100% Clean & Safe

Free Download * 100% Clean & Safe

Step 1. Choose Backup Manager mode.

Open AnyTrans > Plug in your iPhone, once the computer has detected your mobile phone > Click on “Device Manager” > Choose “Backup Manager” to continue.

How to Backup iPhone with an iTunes Alternative - Step 1

How to Backup iPhone with an iTunes Alternative – Step 1

Step 2. Make a full backup of your iPhone.

Choose “Full Backup” feature here to back up all the content on your device.

How to Backup iPhone with an iTunes Alternative - Step 2

How to Backup iPhone with an iTunes Alternative – Step 2

Step 3. Encrypt the backup.

If you do not want to encrypt the backup, just ignore it and click  button to start backing up your device. To encrypt the backup, just check the “Enable Password Protection” option and set the password.

How to Backup iPhone with an iTunes Alternative - Step 3

How to Backup iPhone with an iTunes Alternative – Step 3

Making a backup regularly could be a time-consuming process. Actually, you can try the Air Backup mode of AnyTrans to back up your iPhone automatically, wirelessly as scheduled – daily, weekly, monthly… The Air Backup mode helps you easily backup your device within Wi-Fi or when you connect device to computer. You don’t need to do anything.

How to Backup iPhone Automatically

How to Backup iPhone Automatically

How to Selectively Backup iOS Data to Computer with AnyTrans for iOS

Creating a new iTunes backup with AnyTrans for iOS is a nice solution to problems of iTunes could not backup the iPhone. However, as is known to all, while making iTunes backups, you can’t selectively backup data. AnyTrans for iOS overcomes this shortcoming. It allows you to selectively back up data from iPhone to computer as a printable and viewable format, that is to say, if you use AnyTrans for iOS to backup iPhone data, you can have access to the data backed up in computer whenever you need.

Step 1. Free download AnyTrans for iOS on your computer and then launch it on your computer, plug in your iPhone.

Step 2. Scroll down to the Category management page, select the data type you want to backup. (Take Photos as an example)

Fix Issues of iPhone Disconnects Error During Backup by Selectively Backing up iOS Data - Step 2

Fix Issues of iPhone Disconnects Error During Backup by Selectively Backing up iOS Data – Step 2

Step 3. AnyTrans for iOS would display you all photos on iDevice. Select the photos you want to backup, click the To Computer button and selected photos will soon be transferred to your computer.

Fix Issues of iPhone Disconnects Error During Backup by Selectively Backing up iOS Data - Step 3

Fix Issues of iPhone Disconnects Error During Backup by Selectively Backing up iOS Data – Step 3

Solution 5. Deleting the Lockdown Folder

The lockdown folder is a protected folder on your computer containing temp data. When it goes corrupt, you need to delete the lockdown folder from your computer to be able to backup devices again. We have talked about deleting the lockdown folder from the computer before, please refer to How to Delete Lockdown Folder to know more.

Solution 6. Deleting iTunes Backup

Go to iTunes > Preferences > Devices, all iTunes backups will be displayed. Delete backups would eliminate errors caused by reading or trying to update it. Give this solution a try and see if you can fix iPhone disconnects problems.

Solution 7. Renaming the Old Backup Folder

Matching your device identifier with the backup folder name could be helpful to solve issues of iTunes could not backup the iPhone because the iPhone is disconnected. For more detailed steps to rename the old backup folder, please refer to How to Rename the Old Backup Folder >

Solution 8. Changing the iDevice Setting

While backing up iDevice with iTunes, it is recommended to turn on Airplane mode and Low Power Mode, then turn off Background App Refresh. This could avoid disconnect errors caused by the iPhone itself.

Part 2. iTunes Could Not Restore the iPhone Because the iPhone Disconnected

When you are getting the message of “iTunes could not restore the iPhone because the iPhone disconnected”, the three solutions below can be helpful.

 iTunes Could Not Restore the iPhone Because the iPhone Disconnected

iTunes Could Not Restore the iPhone Because the iPhone Disconnected

Solution 1. Changing USB Cables

Just like fixing iTunes could not backup the iPhone because the iPhone disconnected, maybe it is the USB cable that should be blamed. Change the USB cable or switch to another USB port, the problem should be fixed.

Solution 2. Booting iDevice and Computer

This is a solution that many iOS users forget to try. This is certainly the easiest thing you could do to fix iPhone disconnects errors during restore.

Solution 3. Using PhoneRescue

If you tried all methods above but failed, there is still one last solution you can try to fix the problem of iTunes could not restore the iPhone because the iPhone disconnected – using PhoneRescue.

PhoneResue is developed to serve both Android and iOS users to recover data. However, PhoneRescue for iOS can also be used to restore iPhone with the previous backup even if iPhone disconnects error occurs. What’s more exciting, you can selectively restore data from iTunes backup to iPhone, that is to say, if you just want to get back some missing data, you don’t have to suffer from the risks of losing existing data.

Here is how to restore iPhone with previous iTunes backup with PhoneRescue.

Step 1. Free download PhoneRescue for iOS to your computer and then launch it. Please make sure there are previous iTunes backups on the computer.

Free Download

Free Download

* 100% Clean & Safe

Free Download * 100% Clean & Safe

Step 2. Connect your iPhone to your computer via a USB cable. Select Recover from iTunes Backup, then click the Right Arrow button to continue.

Fix iPhone Disconnects Errors During Restore by Using PhoneRescue - Step 2

Fix iPhone Disconnects Errors During Restore by Using PhoneRescue – Step 2

Step 3. PhoneRescue for iOS data recovery would display you all previous iTunes backups. Select one backup and click the Right Arrow button again. Then click Only Scan Backup if you want to view the data in iTunes Backup, click Compare if you want to find out the differences between the data in iTunes backup and iPhone.

Fix iPhone Disconnects Errors During Restore by Using PhoneRescue - Step 3

Fix iPhone Disconnects Errors During Restore by Using PhoneRescue – Step 3

Step 4. Select the data type you want to restore to iPhone from iTunes backup, don’t forget to click OK.

Fix iPhone Disconnects Errors During Restore by Using PhoneRescue - Step 4

Fix iPhone Disconnects Errors During Restore by Using PhoneRescue – Step 4

Step 5. PhoneRescue would display all data in iTunes backup. Select the data you want to restore to your iPhone, click the To Device tab. You can also save these data on the computer as a printable and viewable format.

Fix iPhone Disconnects Errors During Restore by Using PhoneRescue - Step 5

Fix iPhone Disconnects Errors During Restore by Using PhoneRescue – Step 5

The Bottom Line

That’s all for solutions for iTunes could not backup/restore iPhone because the iPhone disconnected. If you are having any problems, please do leave comments below. By the way, AnyTrans offers all users a 3-day free trial and you can transfer 30 items a day. Besides, it is always free to use PhoneRescue for iOS to scan and view the contents in iTunes backup, why not download them and have a try?

Faye Clarke

Member of iMobie_Inc, an enthusiastic fan of Apple and Jazz music, always ready to offer advice and solutions to any iOS & Android related issues.