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Very slow first iPhone and iPad photo sync over usb-a with Catalina

I updated to Catalina last night on my iMac. Today I've tried synching my iPhone Xr and my iPad Pro via USB/Finder (separately) to my iMac and the synch is very very slow. The iPhone never finished after a few hours and I'm trying my iPad now but I don't see any progress in the changes I had made to the photos (I deleted some before I synched, but the deleted ones still show on my iPad). I do have several thousand photos. Is the Photo Cache being rebuilt or something? Should I delete that and start again? Should I sync one photo folder at a time to start with? Is there anything else I should try? Previously I had posted issues with the latest iTunes in this thread:

https://discussions.apple.com/thread/250270137

and solved that by using an older version of iTunes. I would hate to think that Catalina will be as problematic as iTunes for synching photos was before. Any help/advice would be appreciated, thank you.

iPhone XR

Posted on Oct 8, 2019 12:14 PM

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176 replies

Oct 8, 2019 6:37 PM in response to Old Toad

Hi Old Toad,


I, on the other hand, am using the Photos app. As described in two other threads (Under Catalina, my photos are not syncing from my Mac to my iPhone :( and Catalina keeps forgetting which Photos albums are to be synced to my iPhone), syncing from Mac to iPhone via USB is not working for me.


My Photos General Preferences pane says:



AFAIK, my Photos Library is my System Photo Library. I've just done the trick with launching Photos with the Option button depressed and confirmed that it is the only Photo Library I have.


Thanks

Oct 15, 2019 5:29 AM in response to EOSLightbox

Hi all

in this location: /Users/xxxxx/Pictures/Photos Library.photoslibrary/iPod Photo Cache/ I found this file: Photo Database

This is its content (replaced my username with xxxx):


The default interactive shell is now zsh.

To update your account to use zsh, please run `chsh -s /bin/zsh`.

For more details, please visit https://support.apple.com/kb/HT208050.

/Users/xxxxx/Pictures/Photos\ Library.photoslibrary/iPod\ Photo\ Cache/Photo\ Database ; exit;

xxxxs-iMac:~ xxxx$ /Users/xxxx/Pictures/Photos\ Library.photoslibrary/iPod\ Photo\ Cache/Photo\ Database ; exit;

-bash: /Users/xxxx/Pictures/Photos Library.photoslibrary/iPod Photo Cache/Photo Database: cannot execute binary file

logout

Saving session...

...copying shared history...

...saving history...truncating history files...

...completed.

Deleting expired sessions...30 completed.

[Process completed]


Could someone check if you have the same?

Anyone know what it means? The link suggest to change the interactive shell, but I am hesitant to do so.

Nov 3, 2019 8:28 AM in response to Squiddz

This problem has been going on for me for EIGHT MONTHS.... way before Catalina.


In fact, I even immediately remember the user "Squiddz" in this thread because he created another thread a while back. https://discussions.apple.com/thread/250270137?


To sum up quickly, I am not using Photo app. I have thousands of photos and videos on my computer in separate folders that I personally organized. I am syncing them to a 2017 iPad Pro. They are all in there now, but if I need to sync just one single picture again, that process has to literally take up the WHOLE NIGHT. It just has to read and scan everything all over again to just add one file. Before, a simple task like that took maybe 20 seconds or less.


It is beyond frustrating.


I, like others, have sent MANY notifications and requests to Apple to fix this problem.


but EIGHT MONTHS and even several updates later, the problem is still here.


Please Apple. This tiring issue really NEEDS to be fixed.

Apr 15, 2020 7:37 AM in response to briccojc

briccojc

Oh what a bummer!! It can be a very time-consuming workaround to have to do that each time, I found myself basically not doing it - until 2 updates ago when sync started working properly (for me).


I wonder if you've tried anything in the very long thread started by someone using the Photos app. (I haven't).


Specifically - the post

Apr 11, 2020 9:12 AM in response to rodm7


and here is the first page of that thread.


https://discussions.apple.com/thread/250716707?answerId=252449025022


I doubt it would help but I thought I'd try anyway, and wish you good luck in getting this fixed some day!




Oct 16, 2019 5:02 PM in response to Squiddz

Just to keep everyone updated, yesterday I updated my iPhone to iOS 13.1.3 via OTA as I was still having frequent Bluetooth disconnections in my car. With minor version updates it’s usually quite fast (like within 10mins max after it starts) but this took an unusually long time of approx 30mins!


Anyway, my point is that I got a shock when I went into my photos app approx 1hr after it restarted and found that all my synced albums have disappeared again!!! Most of the photos could still be found outside of the albums though. However, since I was out and about from morning till night yesterday, I had no choice but to leave it alone till I got home. Strangely, by mid afternoon, some of the photos in some of the albums started to appear. Unfortunately, it was still incomplete and a mess by the time I got home at night so I tried the following steps this time round:

  • uncheck synching of photos (this led finder in Catalina to prompt for either keeping or removal of synced photos in my phone which I confirmed)
  • recheck syncing of photos and try but this finished in a jiffy and so obviously didn’t work
  • redo step 1
  • remove the iPod cache folder
  • recheck syncing of photos


Some strange things are definitely going on here. I’m just dreading the next time my albums disappearing again at the next iOS update.

Oct 16, 2019 6:28 PM in response to EOSLightbox

Just to clarify, when I wrote:

  • "uncheck syncing of photos", I meant uncheck sync to Photos app on Catalina with my selection of albums to sync
  • "recheck syncing of photos", I meant recheck sync to Photos app on Catalina with my selection of albums to sync


One more thing, I forgot to mention that it took approx 1 hr to complete the sync of 13k worth of photos/videos.

Oct 18, 2019 5:05 AM in response to Squiddz

As promised, my status update.

The past 2 days I spent several hours with an Apple Support engineer on the phone.

He confirmed, that there any man complaints about this and Catalina in general.

The sync issue is escalated to engineering.

What we have tested and the outcome:

Pictures which are in folders are not synchronised at all.

Pictures which are in an Album directly under My Albums are synchronised depending on their size

  1. 6 pictures which were each between 2.4MB and 3.2MB were not synced
  2. the same pictures each between 297KB and 440KB were not synced
  3. the same pictures each between 13KB and 18KB were synced


When I tried the 1. group of pictures directly from the Folder on the Hard drive (i.e Select "Choose Folders" instead of "Photos" in Finder) it worked fine.


Logfiles and system data have been captured and sent to Apple.

Response time is about one week.

I will report back once I receive the feedback


Have a nice weekend!

Oct 8, 2019 5:28 PM in response to Old Toad

Just so I'm clear, are you asking about the Photos app? I have never used the app, and have been able to sync to all my i-devices from my Mac for several years (pre-Catalina). I have my photos in a folder called "Pictures" and then have several folders within that main folder. I've always just used "sync all photos" as the screenshot shows.

Oct 10, 2019 5:14 AM in response to Squiddz

The Photos app provides some in-built "containers", such as "My Albums" and "My Projects". I haven't used "My Projects" much so I won't say more about it. "My Albums" can contain any mix of albums and folders. A folder, too, can contain any mix of albums and folders. An album behaves as if it contains photos (I'll use the word photos to mean photos and/or movies), but it doesn't really contain them. What I mean by this is that a photo can appear in 0 albums or in 1 album or in multiple albums. For example, if I went on a walking holiday in Iceland with some friends, then I could make the photos from that holiday appear in albums called "Iceland" and "Walking" and "Friends & Family" and "Nature". An album can be a regular album or a smart album. To place some photos in a regular album, one drags them to that album. To place some photos in a smart album one creates a rule (or a set of rules) which cause those photos to appear in that smart album. Each album has a Key Photo, which "represents" that album visually. For event-based photos, I place up to four albums in a folder and then place that folder in a folder representing a year. For example:


Oct 8, 2019 3:51 PM in response to Squiddz

Oh I see - and this is just my experience - when I was in the app and clicked on "sync settings" it opened a Finder window - which is not the Music app. I believe that is what you are showing in your screenshot as well, you have the app in the background and Finder in the foreground. (this is my opinion).


Nevertheless, I started using Finder this morning to sync and it certainly isn't working properly for me. Photos are not synching as I mentioned above.


Hopefully this discussion will help someone, thanks!

Oct 8, 2019 6:01 PM in response to Squiddz

Wanted to also get on this thread so I'll hear what happens. I too "upgraded" to Catalina today in hopes that it will fix my problem with syncing. I was hoping that we could sync audiobooks and photos independently, but that doesn't seem to be the case. I haven't tried syncing yet though because Catalina broke so many other things that I've been busy patching things up. I would expect the first sync to take a long time, but after that, it should be quick, like it was for years. Since iTunes photos sync has been broken for 6 months or more, I doubt they fixed it here. I'll give it a try tonight while I"m asleep not using my phone. Do you have a case number with apple already? If not, will you push it with them? My guy tried really hard but left and then I was told it was supposed to take hours. A better rep and or engineer might get you somewhere. Steve

Very slow first iPhone and iPad photo sync over usb-a with Catalina

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