iTunes 12 Sync Problems: Why Doesn’t Syncing from iTunes to iOS Devices Work?

Update: See this article for a possible solution to sync issues with iOS devices.

Syncing isn’t easy; syncing a variety of disparate content from iTunes to iOS devices is complex. There have always been problems with syncing, but lately, these problems have increased.

I get lots of email from readers, both of this website and of my Ask the iTunes Guy column on Macworld, and lately a lot of those emails have been about syncing problems. My friend Rob Griffiths had a problem last month where duplicate tracks in his iTunes library prevented him from syncing his iPhone 6. But he’s still having problems; that wasn’t the only issue preventing him from syncing.

I briefly had an iPhone 6. I returned it because of the size, but I had to restore that iPhone about five times in the week I owned it because of syncing issues.

And I’ve had readers contact me with problems syncing older devices; problems that have increased since the release of iTunes 12 and iOS 8. One reader even broke down and updated from an iPhone 4s to an iPhone 5s, hoping his syncing problems would go away; alas, they didn’t. (This makes me think that many sync problems have something to do with iTunes’ library files.)

Syncing isn’t easy; but Apple really needs to make it work. I know that some of the problems are edge cases, but so many people have problems that Apple needs to seriously pay attention to these issues. If you search Apple’s forums, just in the past 30 days, you’ll find dozens of threads about sync issues. Sometimes, the sync simply doesn’t work; at other times, it blocks at “Waiting for changes to be applied.” It’s impossible for users to resolve these issues, and Apple doesn’t provide much help. The general response from Apple is to restore the iOS device. In some cases, this my work, but in my experience, its effectiveness is limited; sync problems come back a short time afterward.

To be fair, it’s possible that this only happens to a small percentage of iOS users. Many if not most iOS users never sync their devices with iTunes, and many others don’t have much content to sync. But Rob Griffiths, who I mentioned above, doesn’t have a large music library. He’s not an edge case at all.

As for me, I had terrible problems in the last months of iOS 7, having to restore my iPhone 5s several times. I’d want to sync to add a new album to my iPhone, and it would take a half hour, and sometimes those syncs would simply fail. Curiously, since iTunes 12 and iOS 8, I’m having fewer problems.

Syncing is hard; but Apple should do a lot more to make it work.


If you have sync problems, I would appreciate if you could post a comment below. I’m trying to collect as much information as possible to try and get Apple to pay attention to this issue. Please post the device you’re using, and a brief explanation of the problems you’re having. Also, post if these problems are new, since iOS 8, or if you’ve had them for a long time. Thanks!

Also, read my series of articles outlining how I’d fix iTunes.

510 thoughts on “iTunes 12 Sync Problems: Why Doesn’t Syncing from iTunes to iOS Devices Work?

  1. Pity there’s no joy in misery shared on this occasion. I’ve struggled syncing my iPhone since the initial iOS8 update. Prior to that I could sync across devices – iPhone, iPod + iPad – no problems. Now, despite more then 1200 songs in my music library I can only get 45 songs in on any device. To add insult to injury, since the most recent iOS update I’ve also lost all my iBooks on my devices so am unable to read any of my purchases (arrrrgggghhh!).

    I’ve spent countless hours trying every suggestion I come across, all to no avail. Apple has been totally useless in these past 6 months.

    My husband now has an android tablet & we are seriously considering converting our household away from Apple if solutions aren’t found. What a shame Apple. 🙁

  2. Pity there’s no joy in misery shared on this occasion. I’ve struggled syncing my iPhone since the initial iOS8 update. Prior to that I could sync across devices – iPhone, iPod + iPad – no problems. Now, despite more then 1200 songs in my music library I can only get 45 songs in on any device. To add insult to injury, since the most recent iOS update I’ve also lost all my iBooks on my devices so am unable to read any of my purchases (arrrrgggghhh!).

    I’ve spent countless hours trying every suggestion I come across, all to no avail. Apple has been totally useless in these past 6 months.

    My husband now has an android tablet & we are seriously considering converting our household away from Apple if solutions aren’t found. What a shame Apple. 🙁

  3. With the new release of Streaming Music by the end of the month, I see why we are all having these syncing problems. I realize Apple does not care. They are phasing out the music syncing with iphones, ipads, and especially the ipods. If you go to the Apple website, they removed the “ipods” from their navigation bar on top.

  4. With the new release of Streaming Music by the end of the month, I see why we are all having these syncing problems. I realize Apple does not care. They are phasing out the music syncing with iphones, ipads, and especially the ipods. If you go to the Apple website, they removed the “ipods” from their navigation bar on top.

  5. Finally decided to see if anyone else was having problems with iTunes syncing to iPhone these days like myself and did a quick Google search. Good to know I’m not alone but how the fcuk do apple take a perfectly fine system and balls it up, over and over. I loved the days of my iPhone 3gs, dragging and dropping an album and watching it copy onto my
    phone from iTunes within moments. Feels like a long time ago. I’m a dad now, and therefore (even more so) don’t have the time or patience for this inexcusable mess of a system. I just want to listen to full albums I have legitimately purchased from iTunes on my old macbook pro on my phone, but apparently that can’t happen reliably anymore. No more apple products for me.

  6. Finally decided to see if anyone else was having problems with iTunes syncing to iPhone these days like myself and did a quick Google search. Good to know I’m not alone but how the fcuk do apple take a perfectly fine system and balls it up, over and over. I loved the days of my iPhone 3gs, dragging and dropping an album and watching it copy onto my
    phone from iTunes within moments. Feels like a long time ago. I’m a dad now, and therefore (even more so) don’t have the time or patience for this inexcusable mess of a system. I just want to listen to full albums I have legitimately purchased from iTunes on my old macbook pro on my phone, but apparently that can’t happen reliably anymore. No more apple products for me.

  7. Hi. I have Itunes 12.1.2 and iOS 8.3 (ipad mini). My issue is that I use my ipad mini for reading purposes mainly. So I have around 7k books.My syncing issue is that at 300 of 7k part, itunes suddenly cancels syncing. but when I check my ipad, only about 100 is actually synced to my ipad. I have tried rebooting and restaring my ipad but nothing works so I’m painstakingly going thru the motion of repeating the entire syncing process every 5-10 mins. Help?

  8. Hi. I have Itunes 12.1.2 and iOS 8.3 (ipad mini). My issue is that I use my ipad mini for reading purposes mainly. So I have around 7k books.My syncing issue is that at 300 of 7k part, itunes suddenly cancels syncing. but when I check my ipad, only about 100 is actually synced to my ipad. I have tried rebooting and restaring my ipad but nothing works so I’m painstakingly going thru the motion of repeating the entire syncing process every 5-10 mins. Help?

  9. I hadn’t updated itunes in a couple years because i moved to a rural location where dsl is too expensive and not very reliable. however, a couple months ago i was forced to pack up my pc and bring it into town where i connected to the internet in order to restore my iphone which had locked up. itunes said i needed to update to version 12. after returning home with my pc the next time i connected my ipod classic to add 5 more cds i just bought, it wouldnt allow me to sync. when i plug it in itunes opens and after a minute or so the ipod icon appears, but by the time it all loads and i can click on the ipod icon to SYNC the ipod display now reads ‘OK TO DISCONNECT’ and a pop up window says ‘DEVICE NOT FOUND’. i have tried a dozen times and restarted my pc a few times, too. then i brought my laptop into town and tried again and the same thing happens. itunes opens and by the time i can click on SYNC i am told the device is not connected and the ipod display says OK TO DISCONNECT. I just found out now that apple discontinued ipod classic last september. Does this mean they have disabled your ability to add any more music or content because they are no longer making it? If so, I hope there will be a class action lawsuit that i can join.

  10. I hadn’t updated itunes in a couple years because i moved to a rural location where dsl is too expensive and not very reliable. however, a couple months ago i was forced to pack up my pc and bring it into town where i connected to the internet in order to restore my iphone which had locked up. itunes said i needed to update to version 12. after returning home with my pc the next time i connected my ipod classic to add 5 more cds i just bought, it wouldnt allow me to sync. when i plug it in itunes opens and after a minute or so the ipod icon appears, but by the time it all loads and i can click on the ipod icon to SYNC the ipod display now reads ‘OK TO DISCONNECT’ and a pop up window says ‘DEVICE NOT FOUND’. i have tried a dozen times and restarted my pc a few times, too. then i brought my laptop into town and tried again and the same thing happens. itunes opens and by the time i can click on SYNC i am told the device is not connected and the ipod display says OK TO DISCONNECT. I just found out now that apple discontinued ipod classic last september. Does this mean they have disabled your ability to add any more music or content because they are no longer making it? If so, I hope there will be a class action lawsuit that i can join.

  11. Add me to the list with syncing issues. iPhone 6+ iOS 8.3, iTunes 12.1.2.27 and it just doesn’t work consistently. My workaround is to delete everything on the iPhone and reload each time. Hardly efficient. But the real surprise is how Apple doesn’t address this significant issue. What’s the value of feature-laden device with a buggy OS?

  12. Add me to the list with syncing issues. iPhone 6+ iOS 8.3, iTunes 12.1.2.27 and it just doesn’t work consistently. My workaround is to delete everything on the iPhone and reload each time. Hardly efficient. But the real surprise is how Apple doesn’t address this significant issue. What’s the value of feature-laden device with a buggy OS?

  13. I triy to sync everything to my iPad and all that syncs is the ‘recently added’ stuff, about 10% of the total. Not a space issue. Seems to have got worse since the last update. I have iTunes Match but have now turned if off for both devices – makes no difference…

    I’m completely lost and have tried everything except uninstall/reinstall iTunes 🙁

  14. I triy to sync everything to my iPad and all that syncs is the ‘recently added’ stuff, about 10% of the total. Not a space issue. Seems to have got worse since the last update. I have iTunes Match but have now turned if off for both devices – makes no difference…

    I’m completely lost and have tried everything except uninstall/reinstall iTunes 🙁

  15. Yeah, I’ve got this syncing issue just started, now I’ve updated to iTune 12.2. A real pain and who knows how long for a resolution – if ever.

    Are they trying to get us to ditch our old devices?

    • I was going to give up; anyhow I did a back up iphone to this computer and bang…all the deleted songs came back and then some; once the sync was done I unplugged the phone. If I have extraneous music, I`ll delete directly from the phone by hand bypassing ITunes tie in. till they try to fix this. Syncing a device is bruuuutal these days; I wish I knew why a back up to a computer would then transfer music back to my phone when I “manually” manage my music. weird in a huge sea of weird.

  16. Yeah, I’ve got this syncing issue just started, now I’ve updated to iTune 12.2. A real pain and who knows how long for a resolution – if ever.

    Are they trying to get us to ditch our old devices?

    • I was going to give up; anyhow I did a back up iphone to this computer and bang…all the deleted songs came back and then some; once the sync was done I unplugged the phone. If I have extraneous music, I`ll delete directly from the phone by hand bypassing ITunes tie in. till they try to fix this. Syncing a device is bruuuutal these days; I wish I knew why a back up to a computer would then transfer music back to my phone when I “manually” manage my music. weird in a huge sea of weird.

  17. I’ve had an iPhone 3G and 4S, both in 64gb versions, and then I sync them with iTunes via my Windows laptop.

    For years, now, iTunes Syncing has become a game of Russian Roulette, except that when the gun goes, you still don’t know whether you’re living or dead! It’s so hit-and-miss.

    All I want to do, is get music (25gb’s worth) from my laptop onto my iPhone, with the minimum of hassle. Like many, I keep it meticulously organised. I don’t include album artwork. All songs are in 320kbps or 192kbps, with just occasional exceptions. Mostly ripped from CD’s. Occasionally bought from iTunes.

    The main problem I find is, that I get the dreaded “iTunes can’t sync” error message, yet it continues to sync anyway, and seems to sync 100% succesfully, via the cable connection. (I don’t have internet access at home, so generally can’t do a Sync via Wi-Fi anyway.)

    As has also been said by many, Apple don’t care about the Syncing (or should that be “sinking”) problems! It’s always the same old excuses: it’s not iTunes or the iOS that’s broken, it’s the user’s music or apps that are faulty!

    Total BS! Why can’t syncing be simple?! Stop trying to force everyone to use The Cloud. Just let us do things simply, easily and quickly with the minimum of fuss, rather than constantly having to (metaphorically) risk our lives each time we want to make some basic changes to our music collections on oour Apple devices.

  18. I’ve had an iPhone 3G and 4S, both in 64gb versions, and then I sync them with iTunes via my Windows laptop.

    For years, now, iTunes Syncing has become a game of Russian Roulette, except that when the gun goes, you still don’t know whether you’re living or dead! It’s so hit-and-miss.

    All I want to do, is get music (25gb’s worth) from my laptop onto my iPhone, with the minimum of hassle. Like many, I keep it meticulously organised. I don’t include album artwork. All songs are in 320kbps or 192kbps, with just occasional exceptions. Mostly ripped from CD’s. Occasionally bought from iTunes.

    The main problem I find is, that I get the dreaded “iTunes can’t sync” error message, yet it continues to sync anyway, and seems to sync 100% succesfully, via the cable connection. (I don’t have internet access at home, so generally can’t do a Sync via Wi-Fi anyway.)

    As has also been said by many, Apple don’t care about the Syncing (or should that be “sinking”) problems! It’s always the same old excuses: it’s not iTunes or the iOS that’s broken, it’s the user’s music or apps that are faulty!

    Total BS! Why can’t syncing be simple?! Stop trying to force everyone to use The Cloud. Just let us do things simply, easily and quickly with the minimum of fuss, rather than constantly having to (metaphorically) risk our lives each time we want to make some basic changes to our music collections on oour Apple devices.

  19. I am recently experiencing syncing problems with my music. When I add new music to my library, it will not copy them to my iphone 5S. In addition, all my playlists have been deleted from my phone and although still present in iTunes, they are not being synced. I have tried several methods that I could find in discussion forums, but nothing has worked so far.

    • This is what I’m facing right now. I had many playlists on my iphone 4s. I plugged my phone into my laptop to add a new playlist (as I have done many times in the past), and not only can I not add the new playlist, but ALL of the music is gone from my device. I have tried recreating and dragging the playlists onto my phone, but nothing works. iTunes does recognize my phone, and the playlists appear to be on there, but they are not. I am beyond frustrated and have not found a solution.

  20. I am recently experiencing syncing problems with my music. When I add new music to my library, it will not copy them to my iphone 5S. In addition, all my playlists have been deleted from my phone and although still present in iTunes, they are not being synced. I have tried several methods that I could find in discussion forums, but nothing has worked so far.

    • This is what I’m facing right now. I had many playlists on my iphone 4s. I plugged my phone into my laptop to add a new playlist (as I have done many times in the past), and not only can I not add the new playlist, but ALL of the music is gone from my device. I have tried recreating and dragging the playlists onto my phone, but nothing works. iTunes does recognize my phone, and the playlists appear to be on there, but they are not. I am beyond frustrated and have not found a solution.

  21. my problem on iPhone 5s and now iPhone 6 is that ical sync )via USB cable controlled from MacBookPro) duplicates and triplicates “events”, so my appointment shows 3-5 times and they are all at different times. I have to go back and fix manually.
    I have missed business appointments and job interviews because of this.

  22. my problem on iPhone 5s and now iPhone 6 is that ical sync )via USB cable controlled from MacBookPro) duplicates and triplicates “events”, so my appointment shows 3-5 times and they are all at different times. I have to go back and fix manually.
    I have missed business appointments and job interviews because of this.

  23. I had all these syncing issues with my Iphone 5

    I have an Iphone 6 now and I’ve restored it numerous times.

    When I plug it in to sync it,

    It says an Iphone has been detected but could not be read. Go to the summary tab to restore.

    Or

    An Iphone has been detected but could not be identified

    Or

    Could not connect because an invalid response was recieved from the device.

    Sometimes it connects via wifi and syncs…. sometimes….

  24. I had all these syncing issues with my Iphone 5

    I have an Iphone 6 now and I’ve restored it numerous times.

    When I plug it in to sync it,

    It says an Iphone has been detected but could not be read. Go to the summary tab to restore.

    Or

    An Iphone has been detected but could not be identified

    Or

    Could not connect because an invalid response was recieved from the device.

    Sometimes it connects via wifi and syncs…. sometimes….

  25. I hate apple right now. Having invested in am ipad am iphone eventually (a late adopter) i’d convinced myself that apple’s reputation was for producing stuff that works. How wrong can you be! I recently dutifully updated my ios on both devices – i had held back owing to the problems that new ios had caused with some colleagues apps – and itunes on my pc. I then hoped that all i would need to do was plug in and itunes would do the rest. Sadly, itunes failed miserably. Now it won’t even speak to my iphone, and whilst it acknowledges my old ipad it won’t actually do what i want – ie look at both devices and synch their content both ways. Worst of all none of the menus or error messages come with any helpful hints on what to do next (if itunes knows there’s an error surely it could tell you what it is!). Finally, I accept that complex stuff is going on in the blackbox. So, can there not be some sort of protocol for numptees to follow that gets one back to steady state ab initio? Finding it hard to see the benefits of apple other than the cute name/logo …

  26. I hate apple right now. Having invested in am ipad am iphone eventually (a late adopter) i’d convinced myself that apple’s reputation was for producing stuff that works. How wrong can you be! I recently dutifully updated my ios on both devices – i had held back owing to the problems that new ios had caused with some colleagues apps – and itunes on my pc. I then hoped that all i would need to do was plug in and itunes would do the rest. Sadly, itunes failed miserably. Now it won’t even speak to my iphone, and whilst it acknowledges my old ipad it won’t actually do what i want – ie look at both devices and synch their content both ways. Worst of all none of the menus or error messages come with any helpful hints on what to do next (if itunes knows there’s an error surely it could tell you what it is!). Finally, I accept that complex stuff is going on in the blackbox. So, can there not be some sort of protocol for numptees to follow that gets one back to steady state ab initio? Finding it hard to see the benefits of apple other than the cute name/logo …

  27. I have to agree completely. Itunes no longer fulfills any of its intended use cases. Does anyone know of a viable alternative to iTunes? And bear in mind, Apple, if I take the time to switch to some new tool or service, I will never go back to using an apple music tool, or service, again.

  28. I have to agree completely. Itunes no longer fulfills any of its intended use cases. Does anyone know of a viable alternative to iTunes? And bear in mind, Apple, if I take the time to switch to some new tool or service, I will never go back to using an apple music tool, or service, again.

  29. IPhone 6. When I connect my phone to my pc it no longer pops up in the iTunes app, which keeps me from syncing music to my phone and its very frustrating. It has to be a issue with ios 9 update or the iTunes 12.3 update. I’ve tried many of the solutions that other people did and none of them worked.

  30. IPhone 6. When I connect my phone to my pc it no longer pops up in the iTunes app, which keeps me from syncing music to my phone and its very frustrating. It has to be a issue with ios 9 update or the iTunes 12.3 update. I’ve tried many of the solutions that other people did and none of them worked.

  31. I have an iPhone 4S & an iPad 3 that I both updated to version 9.0.1. On my PC I updated iTunes to 12.3. Since doing the updates neither of my devices will sync with iTunes on my PC! I’ve reinstalled and restarted everything umpteen times to no avail.

    Neither the iPhone icon nor the iPad icon show on the iTunes bar. Even when using the Files folder on my PC I used to be able to access my pictures on either device. It would connect as Charlie’s iPhone or iPad. Now it connects as Apple iPhone or iPad, and I cannot access any of my pictures.

    I am doing all this via USB, not WiFi….

    Any solution to these problems?

  32. I have an iPhone 4S & an iPad 3 that I both updated to version 9.0.1. On my PC I updated iTunes to 12.3. Since doing the updates neither of my devices will sync with iTunes on my PC! I’ve reinstalled and restarted everything umpteen times to no avail.

    Neither the iPhone icon nor the iPad icon show on the iTunes bar. Even when using the Files folder on my PC I used to be able to access my pictures on either device. It would connect as Charlie’s iPhone or iPad. Now it connects as Apple iPhone or iPad, and I cannot access any of my pictures.

    I am doing all this via USB, not WiFi….

    Any solution to these problems?

  33. Kirk, because of my work, I can only sync and backup locally. I’ve been syncing my contacts and calendar between an iPhone 4GS (so iOS 6) and a series of versions of OS X (10.6, .7, and .8) on a Mac Pro. There has never been any problem, for five years.

    I don’t know when my iTunes was updated to v. 12; I always accept such upgrades when offered. The first week of September I did a clean install of OS 10.10 to a bare drive and copied my contacts in. Contacts works as expected. Today, having wrestled with getting fully installed and configured from a clean restart, I synced the iPhone for the first time. Or thought I did.

    I’ve tested and it is clear that contact changes do not sync either way. (I believe I can see this in the progress bar at the top of the iTunes window: it never displays the syncing stages.)

  34. Kirk, because of my work, I can only sync and backup locally. I’ve been syncing my contacts and calendar between an iPhone 4GS (so iOS 6) and a series of versions of OS X (10.6, .7, and .8) on a Mac Pro. There has never been any problem, for five years.

    I don’t know when my iTunes was updated to v. 12; I always accept such upgrades when offered. The first week of September I did a clean install of OS 10.10 to a bare drive and copied my contacts in. Contacts works as expected. Today, having wrestled with getting fully installed and configured from a clean restart, I synced the iPhone for the first time. Or thought I did.

    I’ve tested and it is clear that contact changes do not sync either way. (I believe I can see this in the progress bar at the top of the iTunes window: it never displays the syncing stages.)

  35. i just started getting this problem with the new iPhone6s that i just got i tried putting the same playlists that i have on my iPod touch 5 with the same computer and i tunes that i put the playlists on my iPod but when i click the playlist and hit sync the only thing that happens is a window ops up that says syncing iPhone with a green bar going across it i let my iphone6s hooked up to my computer for a couple of hours so it would charge and sync the 3 playlists that i was trying to sync but nothing synced.

  36. i just started getting this problem with the new iPhone6s that i just got i tried putting the same playlists that i have on my iPod touch 5 with the same computer and i tunes that i put the playlists on my iPod but when i click the playlist and hit sync the only thing that happens is a window ops up that says syncing iPhone with a green bar going across it i let my iphone6s hooked up to my computer for a couple of hours so it would charge and sync the 3 playlists that i was trying to sync but nothing synced.

  37. My iPhones (started with a 4s and now a 6+) both have a synching issue. When the songs appear on iTunes, most of the time they don’t copy the whole song over. e.g.. if the song is 3:43 it will copy it over at 2:58, so the song just cuts off and into the next one on the album with no breath in between. It will copy the whole album over at 2:58. Really annoying, because I have to listen to music on spotify or some other platform and not access my own music library. This has been happening for two years.

  38. My iPhones (started with a 4s and now a 6+) both have a synching issue. When the songs appear on iTunes, most of the time they don’t copy the whole song over. e.g.. if the song is 3:43 it will copy it over at 2:58, so the song just cuts off and into the next one on the album with no breath in between. It will copy the whole album over at 2:58. Really annoying, because I have to listen to music on spotify or some other platform and not access my own music library. This has been happening for two years.

  39. I have a REAL problem with syncing. I have a iphone 4s running ios 9.1 and itunes 12.1.3.6 on Win XP Pro. Mistakenly I took the 9.1 upgrade and then itunes wouldn’t link saying I needed at least Win 7. OK OK OK I KNOW but there are many reasons why I cant upgrade to win 7 as some of my programs wont run on 7 and i need them for projects under way. ITunes then had an XP upgrade which at least allowed 4S to connect now but whereas iTunes shows music and playlists on the 4S, the 4S has different ideas and has a different list. I have rebooted 4S so many times its unreal but even that has no effect now. I have just bought a Surface Pro 3 instead of the iPad so I can avoid ITUNES withe yjat at least. Cummon Apple get yer finger out QUICK!

  40. I have a REAL problem with syncing. I have a iphone 4s running ios 9.1 and itunes 12.1.3.6 on Win XP Pro. Mistakenly I took the 9.1 upgrade and then itunes wouldn’t link saying I needed at least Win 7. OK OK OK I KNOW but there are many reasons why I cant upgrade to win 7 as some of my programs wont run on 7 and i need them for projects under way. ITunes then had an XP upgrade which at least allowed 4S to connect now but whereas iTunes shows music and playlists on the 4S, the 4S has different ideas and has a different list. I have rebooted 4S so many times its unreal but even that has no effect now. I have just bought a Surface Pro 3 instead of the iPad so I can avoid ITUNES withe yjat at least. Cummon Apple get yer finger out QUICK!

  41. Can not sync apps downloaded into iPhone 6 (iOS 9.1) to iTunes (12.3.1.23) and can not sync playlist created in iTunes on Mac to iTunes on iPhone 6. Purchased music downloaded into iPhone syncs with iTunes library. Spent about 3 hrs on chat support with Apple without any luck.

    • Apps no longer sync from iOS devices to iTunes. I am surprised that support people don’t know that. It is because apps downloaded to devices can now only contain the resources needed by those devices. So if they sync back to iTunes, they might not work on other iOS devices.

  42. Can not sync apps downloaded into iPhone 6 (iOS 9.1) to iTunes (12.3.1.23) and can not sync playlist created in iTunes on Mac to iTunes on iPhone 6. Purchased music downloaded into iPhone syncs with iTunes library. Spent about 3 hrs on chat support with Apple without any luck.

    • Apps no longer sync from iOS devices to iTunes. I am surprised that support people don’t know that. It is because apps downloaded to devices can now only contain the resources needed by those devices. So if they sync back to iTunes, they might not work on other iOS devices.

  43. Every since version 12 has been installed, my system hangs up at either the back-up step or at waiting for changes to be applied. It usually locks up iTunes all together and once it starts to hang, it will never resolve itself. This happens with two different iPads, an iPhone 5s and a 6s. It definitely doesn’t discriminate.
    In all cases, I have to disconnect whichever device, let iTunes recover, close and reopen and hope it doesn’t do it again.
    This is getting extremely old … like always, if I’m in a hurry it will happen 100% of the time.

  44. Every since version 12 has been installed, my system hangs up at either the back-up step or at waiting for changes to be applied. It usually locks up iTunes all together and once it starts to hang, it will never resolve itself. This happens with two different iPads, an iPhone 5s and a 6s. It definitely doesn’t discriminate.
    In all cases, I have to disconnect whichever device, let iTunes recover, close and reopen and hope it doesn’t do it again.
    This is getting extremely old … like always, if I’m in a hurry it will happen 100% of the time.

  45. iTunes allows me to add music to the library but it won’t sync them onto my IPhone 6, I have tred several times, and it won’t do anything.

  46. iTunes allows me to add music to the library but it won’t sync them onto my IPhone 6, I have tred several times, and it won’t do anything.

  47. I am a music producer and I loved that I could bounce mixes of my projects to itunes and they would miraculously end up on my iphone for me to listen to later on in the car or when I worked out…. It was GREAT! Now for no known reason it just quit working. I really hope that this gets fixed

  48. I am a music producer and I loved that I could bounce mixes of my projects to itunes and they would miraculously end up on my iphone for me to listen to later on in the car or when I worked out…. It was GREAT! Now for no known reason it just quit working. I really hope that this gets fixed

  49. I just installed iTunes (12.3.1.23) on a new PC (Windows 10) and then set up my iphone 5s (ios 9.1) to sync with it (transferred purchases, authorized phone, etc). There seems to be no way to sync the apps. The apps page for my device shows nothing in hte Apps box but does show images of my home screens (although I can’t do anything with them). When I go to the “My Apps” or “My iPhone Apps” tabs on the store, they are empty. As a result, there is no way to review any apps, and I can’t tell whether my apps are being sync’d or backed up. This is incredibly frustrating!

  50. I just installed iTunes (12.3.1.23) on a new PC (Windows 10) and then set up my iphone 5s (ios 9.1) to sync with it (transferred purchases, authorized phone, etc). There seems to be no way to sync the apps. The apps page for my device shows nothing in hte Apps box but does show images of my home screens (although I can’t do anything with them). When I go to the “My Apps” or “My iPhone Apps” tabs on the store, they are empty. As a result, there is no way to review any apps, and I can’t tell whether my apps are being sync’d or backed up. This is incredibly frustrating!

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