iOS 13 Photos sync through iTunes causes duplicate photos on iOS devices

Since iOS 13, whenever I do an iTunes sync of my iPad (pro) and iPhone, the Photos library on both get filled with duplicates of most, but strangely enough not all of the photos. To get rid of the duplicates, I have to sync the devices with Sync Photos unselected (which sometimes works) or sync to another Mac with an empty Photos Library and then resync in my own account.


Sometimes it takes multiple syncs tries to get rid of superfluous photos on the iOS devices. (Which I also find odd because I have no photos in iCloud and iCloud Photos is switched off on all devices, so a sync to another account should remove all synced photos in one try).


Does anyone else have this issue?

iPad Pro 10.5-inch, Wi-Fi

Posted on Sep 24, 2019 12:36 AM

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Posted on Nov 4, 2019 8:05 PM

All right guys -


I have been in a remote wilderness since I last posted here, so I took a while to get back to troubleshooting this, but wanted to tell everyone that I fixed this problem today, and it took very little effort!


I figured that the issue had to be with my Photos app on the laptop, and not with the phone, or with the new Finder sync. I have all of my photos (22,000) organized perfectly into folders of where each was taken. All of those folders are in Finder on my mac, and are in Albums in Photos. I sync everything from Photos to my phone (versus syncing directly from the folders in Finder). When I look at each of the 100 or so Albums that I have in Photos (under the Albums>My Albums menu on the left), there are NO DUPLICATES AT ALL in any of the albums. They are all exactly how I wanted them to be on my phone...BUT, when I click on Library>Photos on the left I see thousands of duplicate and triplicate photos. They only appear there, NOT in any of the Albums that I created and thought that I was syncing.


I got this app from the App Store today:

https://apps.apple.com/us/app/photos-duplicate-cleaner/id592704001?mt=12&ign-mpt=uo%3D4


And I carefully followed these instructions on how to use it:

https://www.idownloadblog.com/2016/02/15/how-to-remove-duplicate-photos-on-mac/


It found that I had over 22,000 duplicated and triplicated photos. They ONLY show up in the Library>Photos section of Photos though, which is what your phone is using when is syncs.


After deleting all of the duplicates, I synced my phone again and it went from having 47,000 photos on it, to having 22,000. No more duplicates.


Hope this works for the rest of you. This wasn't a macOS Catalina issue, nor was it an iOS issue. It was an issue with Photos having thousands of duplicates, seemingly from me not importing them correctly when I did it.

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356 replies

May 26, 2020 9:15 AM in response to Brandon_Canright

The fact that Apple is no longer enabling Photo Stream for new accounts doesn't inspire hope it will resolve problems with other legacy Photo capabilities, including iTunes syncing. I think it's easy to read between the lines of Apple's own support pages where they nudge new accounts toward iCloud Photos: https://support.apple.com/en-us/HT201317


However skeevy a corporate practice, it may be simpler for Apple to simply outwait the complaints of longtime users until one by one they give up and their roar dies down to a whimper. Is anyone still bugging them to bring back built-in optical drives? iOS 14 is on the horizon, to be announced next month and with betas deployed after that... the further iOS12's flawless syncing recedes into the past, I'm afraid the easier it will be for Apple to tune-out the past.

Jun 29, 2020 2:16 PM in response to MondoApple

Still waiting on Apple to fix this issue....but yes you’ve got the situation correct, one photo with a GPS location attached to the photo file and another, or multiple other photos without the location attached.

Ive sent detailed logs of the sync error to Apple via an Advisor over a period of a few weeks. His response to me was that engineers are investigating and to continue to update the phone and computer and check whether the issue persists.

Unfortunately the issue persists. When iOS14 comes out all I can say is it must be fixed, or else demonstrates Apple has lost touch with its consumer base in a profound way, considering the volume of customer complaints about this very same issue.

will keep updating as I get more info....

Jul 10, 2020 10:42 AM in response to MacLmR

I'm having the same issue since several month with my 11 pro and MBP 16" Catalina 10.15.5


but it looks like on my iPad Pro 9,7" under 13.5 I don't have the same issue ????


with my iPhone, on some albums, I have 30 to 50% more pictures (duplicates) !!!


I have to remove all albums and sync again to have an acceptable quantity of duplicates :(


I spoke several months ago to a apple tech in France and he was not aware of this problem :o


I try to uncheck the metadata but it doesn't seem to work neither

Oct 11, 2019 7:52 AM in response to MacLmR

Mac (Catalina 10.15)

iPhone 11 Pro Max (13.1.2)

iPad Pro 11 (13.1.2)


I have the same issue. I have 27K photos in my Mac "Photos" library. I sync to my iPhone 11 Pro and iPad Pro 11 and some photos get duplicated on sync. Then I have to delete all by un-checking. Not to mention when the photos are synced and duplicates occur more storage on both devices in being used.


(On previous phones and OS I used to love to have all my photos in my pocket... now I only sync selected photos due to this bug).

Oct 23, 2019 11:44 PM in response to MacLmR

Same issue here. I’ve synced using Apple Photos as the source, and have synced using the actual albums in Finder as the source, and I end up with 3+ copies of thousands and thousands of photos. I’m using Catalina.


When I look at them in Albums they are not duplicated but when you go to All Photos, they are rampantly duplicated. My 250GB 8+ ran out of storage because of this duplicate photo issue.

Nov 5, 2019 10:31 PM in response to dasak1

The sync process first removing photo's and then adding them back, is very interesting behaviour. I haven't experienced it myself, afaik.

I do have to manually remove the photo's on my iOS devices—in the way marlozad describes above) before syncing new photo's to the devices, to keep duplicates from appearing on them, but I didn't know the sync process also removes photo's automatically, prior to syncing.


I did find another thread, describing this problem: <https://discussions.apple.com/thread/250777933>, which is intriguing, because the poster doesn't mention duplicates at all!

Nov 9, 2019 1:31 AM in response to MacLmR

Mac (Catalina 10.15.1)

iPhone 11 Pro Max (13.2.2)


Exactly the same issue here


Absolute nightmare every time I perform a sync with my photos


I have around 20,000 photos and every time I sync there is some sort of issues:-


* duplicates appearing randomly

  • photos disappearing altogether (has reduced 20,000 photos to 8,000 for no reason)


Like others have said I like to keep all my photos with me, hence the reason for buying the biggest capacity iPhone


It just seems to have a mind of its own and does things randomly.


I try a number of things to try and get it back to normal but I am not sure which one of them works as it is hit or miss.


* I go into Photos go to preferences, click on General and Show Photo Library in Finder and double click on it

* I click on the Photos Tab on the syncing finder window and switch between sync all photos and sync all albums


I am not sure if any particular one of them works but it works sometimes and then when I sync again it goes back to randomly doing whatever it wants to do again


Apple need to sort it out


Nov 9, 2019 4:19 AM in response to Neil Egan

Last night I disabled iCloud (iCloud sharing) and selected on my phone to transfer originals only. So far so good as it did transfer all photos to my phone.

another thing to keep in mind is that 80Gb pictures need time to sync. Even when “finder” shows you it has finished sync it doesn’t (at least what I noticed)

Ipad pro was tested and 2Gb file needs 2min to be transferred. So 40Gb photos would take 40min? correct me if I’m wrong but cable with usb-c has 480m/s speed? same as any other Apple cable

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iOS 13 Photos sync through iTunes causes duplicate photos on iOS devices

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