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sync session failed to start

When attempting to sync my iPhone 4S it stays stuck on step 1/5 "starting sync session" and after 5 minutes times out and gives me the error "iPhone could not sync because the sync session failed to start."

I'm running the latest version of 10.7 on my iMac and iOS 5.1

I sync most content with iCloud and iTunes match but need to sync a couple iPhoto albums and ringtones to the phone,

So far I have

-hard reset the phone

-DFU restored the phone (set up as new afterwards)

-Uninstalled and reinstalled iTunes

-deleted mobilesync files in library folder

-Replaced the iPhone at the genius bar

Still no luck, any suggestions????

Thanks!

iPhone 4S, iOS 5.1

Posted on Apr 5, 2012 3:31 PM

89 replies

Oct 31, 2013 3:01 PM in response to Struggling77

I've done all of the above and it didn't work. Then I closed all of my apps on my phone and reset it with it still plugged into the computer.

Once I restarted it, the sync worked.

Good luck!

Nov 11, 2013 7:02 AM in response to JustinSerina

Wow thanks Apple, No resolution to this issue

Nov 12, 2013 6:14 PM in response to jaymefromsalt lake

I am having the exact same issues, Jayme. I update when possible and lately it has only prevented me from enjoying my music, photographs, and ability to text. What is going on, Apple? The iPhone used to be such a reliable product but now...it's just a problem child.

Nov 27, 2013 6:32 AM in response to aTriumphForMan

I'm getting the same problem. I have a MacBook Pro and have tried all above suggestions but it's still a no go. It's frustrating me as I really need to sync my iPhone. Anyone have any other tips?

Thanks

Nov 29, 2013 2:47 AM in response to aTriumphForMan

Just reboot Iphone and wait for it to sync, this worked for me.

Nov 29, 2013 9:09 PM in response to aTriumphForMan

Just Restart your iPhone and it'll work. I tried it worked for me.... 🙂

Dec 15, 2013 4:56 AM in response to aTriumphForMan

Im Having the Same problem too since i had updated my Itunes to a higher and latest Version, Google didn't helped me with my problem so started making my own experiments that luckily fixed this problem.

1. Double Tap Home Button

2. Close all the Running Apps

3. Press the Home Button Again

( Time to do a soft boot )

4. Press the Home button at the same time the Sleep Button for 10 seconds

5. Wait for the Apple Logo to appear and let the reboot done.

After doing this, Im able to Sync now my Iphone 4s with my Itunes. And Luckily, its fixed my problem to in installing Apps from the Phone Itunes Store but wont show on the HomeScreen.

HOPE IT WILL HELP YOU.. 🙂

#GODBLESS

Dec 23, 2013 5:53 PM in response to SuperJhong

@SuperJhong

oh wow thanks so much 😀 this helped me

dormanak

Level 1

0 points

Dec 25, 2013 12:44 AM in response to SuperJhong

Thank you!!! This finally fixed it for me! 🙂

Dec 29, 2013 8:50 AM in response to SuperJhong

Your a star, this has been driving me nuts, I couldn't figure out what was wrong then came across this thread and your suggestion has worked perfectly so thank you :-)