The ipad cannot be synced. An internal device error occurred.

Yesterday I updated my iPad Pro 9,7" to iOS 11. All went well. But when I thought I was entering my Apple ID for iTunes, I was tricked into iCloud. I never use iCloud. Not on my iMac and not on my iPad. I just don't want to use it.

When I opened my unwanted iCloud account every button was set to ON. It took me a lot of time to set every button to OFF. In the meantime a lot of my documents (photos) were copied to iCloud. I had to delete them from my iCloud Drive. After I logged out of iCloud I discovered that all my photos were deleted from my iPad.

Of course I had a backup on my iMac. I always sync my photos (and books and music) with iTunes on my iMac. I have updated iTunes to the latest version.

Never before I have had problems with this procedure. But this time all went wrong. It said there was no iBooks App and no Music App on my iPad and after that I discovered that all my books and music was deleted on my iPad.

Several times I got the message "The ipad cannot be synced. An internal device error occurred."

I tried all the usual things - restarted the iMac and the iPad / changed the cable (all Apple cables) / changed the USB port. I succeeded in restoring my books and my music but not my photos (more than 3000). It stops halfway with the above message and than only a few hundred photos are copied.

Before iOS 11 syncing with iTunes always worked great. Now I don't know what to do to solve this problem.

iMac, OS X Mavericks (10.9)

Posted on Sep 22, 2017 2:53 AM

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Posted on Oct 2, 2017 1:14 PM

I’ve spent several days dealing with this. The best solution was to erase all contents and data from my iPad and start over. I started by syncing just the photos, nothing else. I got the internal iPad error once. But all 103 photo albums had synced to placeholder icons along with about 400 photos which were synced to the correct albums. I hard rebooted the iPad and synced again and again and again over several hours. Hard rebooted every time. Eventually all photos 21,000+ synced to the iPad and into the appropriate albums. Only after that did I sync everything else which worked just fine. Good luck!

449 replies

Sep 25, 2017 9:00 PM in response to Paardeslager

I am having this same problem. My iPad will copy a few hundred photos and then stop and post and internal error message on my screen. Super annoying. I always sync thousands of photos to my iPad. It's taking me all day to do this, a few hundred at a time. And I also have done a hard iPad reboot, restarted iTunes, tried different backup methods, etc. Still getting the error message. This only began with iOS 11.

Oct 26, 2017 9:33 AM in response to Paardeslager

I have the same problem. While updating to 10.3.3 my iPad crashed and I had to go back to factory settings and downloaded 11.0.3 instead. Now every time I try to sync my photos it sends about 300 more pictures and then stops. The first few of times I got the internal device error message. Then I tried changing my auto-lock timeout from 2 minutes to 15 minutes. Now after sending another batch of photos iTunes just stops syncing. (Only 30 more cycles and I should have everything downloaded!)

Oct 29, 2017 4:32 PM in response to Paardeslager

I am having the same problem and working with apple for a week on this. How come they don't tell us that lots of people are having this problem. Its clearly the software update. Anyone know how to fix, or when it will be fixed? I have been working with someone at apple for a week on it, and its never been made clear to me that others are having this exact problem- lots of others!

Nov 21, 2017 7:42 PM in response to Paardeslager

I don't think the issue is iTunes. I think it's iOS 11.1.2. I haven't updated my iPhone from 11.1.1 and it's working fine. However, my iPad was updated to 11.1.2 and that's when the problem began. I expect it will be corrected in a future iOS update. I would expect it within the next month as Apple always expects to sell a lot of iOS devices during the holidays and I'm sure they want to avoid the huge disappointment (and possible product returns) this bug would cause new owners....especially on top of the HomePod delay.

Nov 21, 2017 7:42 PM in response to Sunshine4a

I contacted them in October and sent all my diagnostic files to them. They got back in touch with me last week and said they didn't yet have a solution. I've also had this problem with my iPhone to a lesser degree (i.e. takes several syncs for photos to appear), vs. "internal device error". I'm using a new iMac, iPhone 8 and iPad Pro. It's not a hardware issue. They also said most people use iCloud. I wonder how true that is, I'd be paying a lot of $ for them to keep all my photos, and am against that in principle. May be time to move to a different photo organizer.

Nov 24, 2017 11:11 PM in response to Paardeslager

Thank you for starting this post. I was starting to go crazy. I have about 35,000 photos and have the exact same problem on both my iPad Air 2 and my IPad Mini 4, in each case after upgrading to iOS 11. Even worse, after I receive the dreaded error message, the iPad Air 2 then dumps all of my pictures (yes, all) and starts to retrieve them (I'm guessing that it is rebuilding an index file but don't know for sure). This uses up all of the processing power of my iPad Air 2 for about 36 hours, and during that time, the iPad Air 2 acts pretty close to a brick. Sent in unsolicited bug notice to Apple using the link in this thread, and hoping for a solution soon. At least the benefit of this thread is that I won't go nuts trying to fix it myself since I know it is a general Apple problem.

Dec 2, 2017 7:03 AM in response to Paardeslager

Days trying to sync 25,805 photos...about 700 at a time is what it is doing before itunes cancels the sync...Restored ipad, rebuilt the ipod photo cache, all the listed methods...(on PC syncing to ipad pro, ipad mini, iphone 7plus and iphone 6s....


Honestly, Apple has had problems with photos for a long time, years...Apple made a big deal about revamping iTunes to focus on it's "core" music stuff...it is so bad now that Apple should just stop putting cameras on their devices...Can't believe they are so deaf to peoples complaints about this.


And NO, I don't want to pay to store my photos on the "cloud" as some kind of solution....


Gonna be considering other devices and operating systems for my mobile needs...

Dec 2, 2017 8:02 AM in response to heartotexas

And whatever Apple Support tells you to do if you contact them, it won't help you. It's all a complete waste of time.

The only thing we can do is wait, and wait - and did I tell you to wait? - until Apple finally has succeeded in repairing this bug in iOS 11.

From what I've read about iOS 11.2 in https://9to5mac.com/2017/12/02/apple-releases-ios-11-2/ this last update will not do it for us. Bad.

Dec 17, 2017 10:38 AM in response to Paardeslager

One thing which seems to have helped some in this is for me to turn on Automatically Back Up to iCloud in iTunes for the device. But make sure in settings that you are only doing backups to iCloud and not all the other stuff they want you to send up to the icloud.


You still have all the errors, but it only took about 25-30 reboots and a day and half to restore 25,000 photos from my pc to my ipad-mini....previously, on another ipad (ipad pro) it took a hundred or more reboots and 4-5 days to do it...


Not a solution obviously, more an observation....

Dec 23, 2017 11:33 PM in response to gazzaa_54

Seasons Greetings to all of our big family of frustrated but ever optimistic photo syncing users... I also hope a solution is coming soon. It is and has been a very frustrating experience for all of us. We put our faith in the technology, develop systems to be able to use the equipment and then this issue. it still amazes me that a company of such size and stature has not resolved the issue yet.

I must admit after this prolonged period of being stalled in the photo syncing process i thought I would try the iCloud option. so i purchased a cloud package of 2tb, month by month so no long term commitment and i stared the upload process. I have a library of over 60,000 photos going back to 1998 organized by events by date by year. Total library size over 300g. Most pictures other than the early years taken by Pentax and the Nikon DSLR. So I started the upload and it took just short of exactly 6 days of continuous uploading, speeds ranging from 6-9mps upload speeds.

I must admit the access to my pictures now is pretty good. whenever i am on wifi i can see my album structure and load the pictures on my two iPads and my iPhone. The access on my apple tv is also very good. I also realize that there have been some commenting that perhaps this is the way Apple wishes us to go in the future, guess time will tell if i stick with the cloud option of go back to syncing when a fix is posted.

Just thought I would share my observations.

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The ipad cannot be synced. An internal device error occurred.

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