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Question: sync session failed to finish

everytime i try to sync my Iphone with itunes, i get this msg "MuNiba's Iphone could not be sync,sync session failed to finish"
what to do??? i try resetting my phone but didnt work..

iPhone 4, iOS 7.1.1

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Sep 13, 2016 8:40 PM in response to MuNiba Iqbal In response to MuNiba Iqbal

None of these worked for me. Haven't been able to sync in a year. Either my backup fails without explanation (different thread, tried everything there too), or the sync fails to complete.


I want to remove a ton of photos from my phone that were synced from photo albums, can't do it. Won't let you delete albums from the phone, can't do it from the Mac.


How do I get out of this and get my photos and music to sync?

Question marked as Helpful

Jun 22, 2016 11:14 PM in response to MuNiba Iqbal In response to MuNiba Iqbal

Whenever you get the "Sync failed to Finish" error.. Keep your pc & iDevice still connected & In iTunes.. Just go to File > Devices > Transfer Purchases from iDevice. Your stuff will get synced.


I spent around 15 hours finding a way to solve this problem along with error -50, -54, and few other sync issues.... tried various ways I could find on the internet.. but in the end the above method solved all these issues for me.


So, whenever you get a sync error of any sort... just try the transfer from idevice thing before wasting time on other type of solutions.

Question marked as Helpful

Nov 26, 2016 3:41 AM in response to MuNiba Iqbal In response to MuNiba Iqbal

no one seems to know the answer on this.


Except that I have this fixed now. ITUNES is not fully functional under win10. You need to activate COMPATIBILITY of ITUNES for win7. After I right clicked on the ITUNES application and selected PROPERTIES then selected the COMPATIBILITY tab, and finally selected WIN 7 it all started working correctly for the sync process.

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Jun 11, 2014 11:17 AM in response to MuNiba Iqbal In response to MuNiba Iqbal

Hey there MuNiba Iqbal,


It sounds like you are trying to sync your phone to your computer, but keep getting this message that the sync session failed to finish. I know how frustrating it can be when you cannot update the content on your phone. Use the troubleshooting in the following article to help resolve the issue, named:


iOS: Troubleshooting USB-related alerts when syncing

http://support.apple.com/kb/TS5254


Try the following steps to check the connection between your device or computer. You might need to do only one of these steps to resolve the issue, so test your connection after each step.

  1. See if the cable connection at the device or computer has come loose or unplugged.
    Unplug the cable you're using to connect your iOS device from the USB port on your computer, and then reconnect it. Then unplug it from your iOS device, and reconnect it.
  2. Remove any third-party battery packs or cases from the device and ensure that the USB cable is connected directly to the port on the device.
  3. If your Lightning or 30-pin cable is connected to a keyboard, display or USB hub, try plugging it directly into a USB port on the computer instead.
  4. Close any virtualization apps (such as Parallels or VMWare).
    These apps may interfere with your computer's ability to communicate over USB if they aren't properly configured, or up to date. If this resolves the issue, contact the developer of the app to see if an update is available.
  5. Restart your computer.
  6. Restart your iPad, iPhone, or iPod touch.
  7. If you're using an accessory or third-party cable to connect your device, try using an Apple cable with the device instead.
  8. Update to the latest version of iTunes if you have not already.
  9. Disconnect other USB devices from your computer, except for your keyboard and mouse. Then, reconnect your iOS device. If the issue is resolved, reconnect the other USB devices one at a time. Make sure your iOS device is still recognized by the computer after adding back each device.

If one of these steps resolves the issue, but it comes back later, make sure you haven't changed how the device is connected. For example, check to see if you plugged the device into a specific accessory, or used a specific cable that reintroduced the issue.


Thank you for using Apple Support Communities.

All the very best,

Sterling

Jun 11, 2014 11:17 AM

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Nov 4, 2014 12:21 AM in response to MuNiba Iqbal In response to MuNiba Iqbal

I have had this problem all year!!!!


Spent hours trying different things, hours on the phone to apple... and I think I just fixed it!!!!!!!!!


When your phone is plugged into your computer, if you look at "Music" under the "on my device" section (on iTunes) you may notice many songs with a circle or an exclamation mark next to them. I used to see this when my iTunes could not locate the files.. however in my actual iTunes library they still worked...


Anyway I decided to delete everything in my iTunes library! I then went File>Add to Library>iTunes (folder) to reload all songs again. Any songs without artist names I tried to fill in or correct, and I deleted any duplicates I could see.. then i did a sync of all the songs... and it worked!!!!!!!!


I think maybe a previous update of iTunes resulted in a loss of songs/inability to locate or something stupid..


Give it a try 🙂



PS: ensure your iTunes and iPhone software are both up to date!

Nov 4, 2014 12:21 AM

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Feb 22, 2015 8:50 PM in response to Katelyns11 In response to Katelyns11

I had the exact same problem.

I agree that something went wrong with an iTunes update and caused the problem.

Deleting most of my iTunes library and then reloading them into iTunes fixed the problem.

I also deleted all my podcasts and reloaded them.

My iPhone is now syncing.

Thanks for the fix. I have been fighting this for a month. Really appreciate it! 🙂


Now if Apple will just get on the ball and prevent this from happening again, I'll thank them as well.

Feb 22, 2015 8:50 PM

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Jul 2, 2015 7:25 AM in response to MuNiba Iqbal In response to MuNiba Iqbal

It's hard to believe. I spent many times find the easily solution for this. After try a lot of thing one step make it works.


When you plug your iPhone, on the Summary tab then "Options" boxes. I've just deselected the "Automatically sync when this iPhone is connected" and "Manually manage music and videos".


There's no box selected on that "Options" menu. So now it works fine.

Jul 2, 2015 7:25 AM

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Question marked as Helpful

Jun 22, 2016 11:14 PM in response to MuNiba Iqbal In response to MuNiba Iqbal

Whenever you get the "Sync failed to Finish" error.. Keep your pc & iDevice still connected & In iTunes.. Just go to File > Devices > Transfer Purchases from iDevice. Your stuff will get synced.


I spent around 15 hours finding a way to solve this problem along with error -50, -54, and few other sync issues.... tried various ways I could find on the internet.. but in the end the above method solved all these issues for me.


So, whenever you get a sync error of any sort... just try the transfer from idevice thing before wasting time on other type of solutions.

Jun 22, 2016 11:14 PM

Reply Helpful (23)
Question marked as Helpful

Sep 13, 2016 8:40 PM in response to MuNiba Iqbal In response to MuNiba Iqbal

None of these worked for me. Haven't been able to sync in a year. Either my backup fails without explanation (different thread, tried everything there too), or the sync fails to complete.


I want to remove a ton of photos from my phone that were synced from photo albums, can't do it. Won't let you delete albums from the phone, can't do it from the Mac.


How do I get out of this and get my photos and music to sync?

Sep 13, 2016 8:40 PM

Reply Helpful (49)
Question marked as Helpful

Nov 26, 2016 3:41 AM in response to MuNiba Iqbal In response to MuNiba Iqbal

no one seems to know the answer on this.


Except that I have this fixed now. ITUNES is not fully functional under win10. You need to activate COMPATIBILITY of ITUNES for win7. After I right clicked on the ITUNES application and selected PROPERTIES then selected the COMPATIBILITY tab, and finally selected WIN 7 it all started working correctly for the sync process.

Nov 26, 2016 3:41 AM

Reply Helpful (7)

May 14, 2017 5:21 PM in response to Try2StopME In response to Try2StopME

I am trying to remove all of the photo albums that have been synced from my computer. I did the "Transfer Purchases" as you suggested, but it does not remove anything from my phone. The only way to remove them, it seems, is to uncheck all of the synced albums and then hit Sync. Unfortunately I always get the "sync session failed to finish" error message. Come on Apple! Seriously? This problem has been around for at least 3 or 4 years now and you still don't have a fix?

May 14, 2017 5:21 PM

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Question: sync session failed to finish