How to Fix Sync Session Failed to Start Issues

Summary

This post aims at telling you what to do when iTunes sync session failed to start. If you are encountering issues of iPhone sync session failed to start, do keep reading and find solutions here.

Elena

Nov. 27, 2017

by

Follow @iMobie_Inc

AnyTrans – An iTunes Alternative You Can Use to Sync Data Freely 

AnyTrans – All-in-one iOS Data Manager 

After reading this post on fixing issues of sync session failed to start, give this iTunes alternative tool – AnyTrans a try to sync data like music, playlists from iTunes to iPhone freely. More features are waiting to be explored.

Q: Recently, I have been having problems with syncing iTunes with my iPhone. Whenever I start to sync, a message would pop out saying “the iPhone could not be synced because the sync session failed to start.” How can I fix it? Any help is appreciated.

iPhone Sync Session Failed to Start

iPhone Sync Session Failed to Start

The reasons why sync session failed to start occurs vary, to name the most common ones: required iTunes opponents are missing, other running applications stop the sync process. If you are encountering issues of sync session failed to start, don’t fret, with the solutions below, you can easily solve sync failed to start issues.

Don’t Miss: [iTunes 12.7] How to Make/Sync Custom Ringtones to iPhone >

How to Fix Sync Session Failed to Start Issues

Before trying all those solutions to fix sync session failed to start, we suggest you make sure the USB cable you are using works fine first, and then reboot your iPhone and computer, or quit iTunes then re-launch it. These methods helped solve majority of iPhone sync session failed to start issues.

Method 1. Fix Sync Session Failed to Start by Force Closing Apps

As mentioned above, running applications may stop the sync process and cause sync session failed to start issues. Force closing apps could be the easiest thing you can do to fix issues of sync session failed to start.

To force close Apps, you can go to Home Screen, and then press the Home button twice. All running Apps would be brought up. Scroll up and you can close running Apps.

There is no Home button on iPhone X, so the way to close Apps on iPhone X could be sort of different. Please refer to How to Close out Apps on iPhone X to get more details.

Method 2. Fix Sync Session Failed to Start by Updating iTunes

Using old version of iTunes may be the reason why you are encountering sync session failed to start issues and updating to the latest version of iTunes may fix it.

To update to the latest version of iTunes, on PC, please go to Help > Check for Update, on Mac, please go to App Store > Update. If there are any updates available, just follow the prompts and you can soon have the latest version of iTunes.

Method 3. Fix Sync Session Failed to Start by Deleting Previous Backups

While syncing, iTunes doesn’t create a new backup file, instead, iTunes would just overwrite or attach old backups. When an iTunes backup corrupts, it can lead to the issues of sync session failed to start.

The best way to fix sync session failed to start errors caused by corrupted iTunes backups is to delete previous backups. Don’t worry, you can still make new backups after previous backups are removed.

For Windows users, click Edit > Preferences > Device, for Mac users, please launch iTunes and then open Preferences. Select the correct device and then delete. Meanwhile, if applicable, do click Reset Sync History button.

Method 4. Fix Sync Session Failed to Start by Using an iTunes Alternative

If you tried all methods above but none of them are working, or you won’t want to lose any data in previous iTunes backups, here is another way you can try – using an trustworthy iTunes alternative like iMobie AnyTrans.

iMobie AnyTrans is designed to be one of the best iOS data transfer tools. When sync session failed to start, AnyTrans can lend you a favor to sync data from iTunes library to iPhone. Here are reasons why you will need it to sync data from iTunes library to iPhone.

  1. While using AnyTrans to sync data from iTunes library to iPhone, no existing data on iPhone will be erased.
  2. AnyTrans saves you lots of time. Within 1 minute, you can transfer almost a few gigabytes of data from iTunes library to iPhone.
  3. AnyTrans can help you more. Besides transferring data from iTunes library to iPhone, AnyTrans also supports transferring data like music, contacts, ringtones, photos from computer to iPhone.

Now, let’s have a look on how to use AnyTrans to sync data from iTunes library to iPhone.

Step 1. Download AnyTrans and then launch it. AnyTrans developed by an Apple certificated developer and it is also McAfee and Norton secured. Please be free to use AnyTrans.

Step 2. Plug in your iPhone and then click the iTunes Library button as is shown below. Select the contents you want to transfer to your iPhone, click the To Device tab.

Fix Sync Session Failed to Start by Using AnyTrans

Fix Sync Session Failed to Start by Using AnyTrans

The Bottom Line

That’s all for how to fix iTunes sync session failed to start issues. If you are having other solutions, do leave comments below so that others might benefit. By the way, as you can see, AnyTrans is indeed an excellent iOS data transfer tool. Don’t forget to download it and have a try.

Submit Your Question to Us, Get an Answer within 24 hours Ask Your Question

What's Hot on iMobie

Share Your Thoughts With Us