VERY slow sync (hours!) for pictures via iTunes for Mac since last Mojave and iOS updates (3/2019)

Since I updated to the latest Mojave 10.14.4 and the latest iOS 12.2 this week, synching my photos to my iPads and iPhone is abysmally slow. Granted that I have over 25,000 photos but up until this week (and these updates), if I add a few photos to one folder (10-20 or so) then they'd synch in a couple of minutes. Now it takes several hours, just for a few new photos. I have already rebooted my (27" 5K Retina) iMac and my iPads, and I deleted the iPod Photo Cache to start from scratch. I thought once I got the Photo Cache reestablished, that the sync would be fast again like it was before the updates, but that is not the case. I am using a USB cable plugged directly into my iMac. Does anyone else experience this and does anyone have any other suggestions? Is this enough info to help me? Thank you.

iMac Line (2012 and Later)

Posted on Mar 30, 2019 2:59 PM

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46 replies

Apr 8, 2019 8:22 PM in response to WALKMAN_Forever

For me this problem occurred after applying the update that took Mojave to 10.14.4.

I was previously running Mojave, at the version that was current prior to the 10.14.4 update.


iTunes is at 12.9.4.94


I have ipads and an iphone that are all at latest version of iOS, apart from one ipad at iOS 9.3.5


iTunes successfully synced photos to all these devices prior to the application of the Mojave 10.14.4 update (successful = completed in < 30 minutes, each device has >30,000 photos). That is it successfully synced using the previous version of Mojave.


After the application of Mojave 10.14.4 update, iTunes photo syncing to any and each of these devices takes > 10 hours, with most of that time spent with iTunes displaying the message "reading photos from ...".


If Mojave 10.14.4 update contains an update to iTunes, then maybe the issue is with iTunes, otherwise Mojave.


I tried backing out the Mojave 10.14.4 update, apparently not possible on my iMac (16GB RAM Retina 5K 3.2GHz).


I tried downloading an earlier version of iTunes, however the installer displayed a message saying it needs an earlier version of macOS.


I wouldn't mind seeing some comment from Apple on this issue

May 23, 2019 8:06 AM in response to Squiddz

I have the same exact issue since iTunes 12.9.4.94.


Recently updated to iTunes 12.9.5.5 and nothing has changed for me neither.


Syncing is a pain in the a.... I mean, it just takes way too long.


I doubt we are the only ones having this problem; we are the only ones writing about it.


But how many complaints/reports does Apple need before it finally pays attention and does something?

Apr 7, 2019 9:10 AM in response to MaisPod

Thanks everyone, I sure know I'm not alone! Hopefully all of you have reported to this to Apple. I wonder if it is the iOS update that did this, or the Mac OSX. I would guess it's the Mac update and that is what the majority of people here seem to think too. I also wonder if one of us downgraded iTunes if that would help? I'm travelling at the moment so cannot do this myself. Thanks again everyone!

May 9, 2019 12:22 AM in response to MaisPod

Thank you - I was wondering if turning on iCloud photos was mandatory for your solution to work, if anyone knows? I'd like to avoid that.


I'm hoping to just hang in there until Apple fixes this...but I appreciate your solution and will keep it in my back pocket!


Meanwhile, everyone reading this with the same issue, please report it to Apple.

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VERY slow sync (hours!) for pictures via iTunes for Mac since last Mojave and iOS updates (3/2019)

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