3G won't sync after update. Lost all contacts, calendars, etc.

Since I installed the stupid 4.0 update I can't sync. I get an error message that says "Sync Server and Mobile Device Helper has encountered a problem and has to close". Also "Itunes could not back up phone because session failed".
I am so angry and of course Apple wants me to pay for them to help me with a problem they caused.
I have already uninstalled and reinstalled ITunes. It didn't work. Anyone else have this problem? Anyone know how to fix it?

If you are trying to get your mail and calendar from an Exchange Server (typically corporate e-mail and calendar) or Google Apps / Google Sync (not sure if that is the right name, but it is the Google Service that is also using Exchange) then check out [this Knowledge Base article|http://support.apple.com/kb/TS3398] for a work around. If you are not using Exchange or the Google service that uses Exchange you'll have to keep looking for someone that is experiencing your problem.
Good Luck!

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I-phone 2.0 update - lost all contacts

This a.m. did the 2.0 update and lost all contacts. Calender good, photos good, notes good, mail good. Did not have on PC but part of download said "backing up information" WHERE?
Did 2nd I-phone right after, before checking the first one, and that download went 100% not loosing anything!
Contacts where different on each phone.

A very similar problem happened to me. Had some issues during the update which I think may have initially caused the problem. Anyway, that was a couple weeks ago. Just today I was trying to figure out a way to restore it again and I got it. Before the 2.0 software is updated the iPhone automatically backups everthing. To restore your contacts, calendar, photos, text messages, and settings following these steps:
1. Open iTunes on the same computer you performed the update on.
2. Connect your iPhone.
3. Right-click on your phone ("Your name's iPhone") under "Devices" in the left column.
4. Left-click on "Restore from Backup..."
5. Select your phone from the drop-down menu.
6. Click Restore.
As I said, this should restore your contacts, calendar, photos, text messages, and settings to the way they were before you updated it. It does NOT revert your phone to pre-2.0 software. The new 2.0 firmware will remain in place!
Hope this works for you!
Let me know if you're successful!!

IPod won't sync after update

After updating iTunes files were corrupted. I unintalled and reinstalled according to the instructions from Apple. My iPod doesn't sync and I my library is gone. It may be in iCloud but I can't get it to work. Any suggestions?

If the iTunes Library file becomes corrupted, iTunes creates a new one (that is empty) and starts using it. That may be why your iTunes library is "gone." However, your iTunes media files (such as your song files) are probably still on your computer's drive. In Windows, do a search on the name of a song that was in your iTunes library. If you can find that song's file, note its location. All of your song files are probably along that same path. If you were using standard settings in iTunes, they are in your user home folder's Music folder, under iTunes and then iTunes Media. Something like this
\Users\[your username]\My Music\iTunes\iTunes Media\
If you can find your song files, you may be able to recover your iTunes library using the procedure described in this document
iTunes: How to re-create your iTunes library and playlists - Apple Support
If that is not possible, you can still add your song files to a new iTunes library. You will lose supporting data such as playlists, ratings, and play count. After you have your songs in an iTunes library, you can sync your iPod to that library. NOTE: Songs on the iPod that are not in your new iTunes library will be lost. You can reply back, if this is a problem or you have problems syncing your iPod to a new library.
Songs purchased from the iTunes Store can be re-downloaded at no cost. If any purchased songs were lost, go to the iTunes Store. Be sure to sign in using the Apple ID used for the purchase. Then, go to the Purchased screen (there is a link to Purchased on the main iTunes Store screen along right side). You can download (most) previous purchases there.
If you subscribe to Apple's iTunes Match service, your entire iTunes music library is matched or uploaded in iCloud. If this is the case, please reply back.

IPod Won't Sync After Updating to iTunes 10

Whenever I click sync to add the music that I purchased in the online store, it says that it is syncing the ipod, but then stops and then loads on the ipod screen for it being okay to disconnect. I've reinstalled itunes 10, tried itunes 8 (wouldnt work because library was converted to itunes 10) and it still does this same exact thing where it won't sync my music from the library on my computer to the ipod.
Help please.

Since upgrading iTunes I've noticed that not all of my podcasts will sync - one or two are always left out. Syncing again will get the stragglers, but it used to work just fine.
Another issue, possibly related, is I've seen an accumulation of 'Other' data on my iPod that I can't identify. I'm beginning to think it might be abandoned audio files from auto updating smart playlists that remove selections after they've been played. Doesn't happen with podcasts, though, because that smart playlist refuses to auto update on the iPod.

IPad 2 won't sync after update to 5.1 and iTunes 10.6.0.40

Upgraded iPad2 to 5.1 and Windows iTunes to 10.6.0.40. iTunes doesn't recognize the iPad as a device, but does recognize the camera. Tried all iPad troubleshooting steps (restarting both, reinstalling iTunes, tried various USB ports). Any ideas?

Hi G-whiz,
I solved the same problem (iTunes 10.6.0.40 upgrade on MacBook Pro). iOS 5.1 for iPhone and iPad, not recognised after update, even after rebooting each device in isolation and then all together. Still did not work.
For me the issue was: The MacBook Pro was running BT with wireless kbd and touchpad connected; also I had a large flatscreen running from the mini display connector.
Aiming to minimise any driver conflicts (even if external monitor and BT drivers are not third party), I followed these steps:
1. disabled bluetooth
2. disconnected external LCD
3. rebooted MacBook Pro (wifi still enabled before restart to get to iTunes Store)
4. connected iPad and iPhone to power (before upgrading to iOS 5.1 they had been set to wifi sync when on power)
5. started iTunes
Voila! Devices recognised automagically! And beginning sync instantaneously.
bauhws

Ipad won't sync after updating to snow leopard

Any help available regarding a non-syncing ipad first gen, after updating to snow leopard on my imac? The ios software on ipad is up to date, and the snow leopard version is also up to date. The computer will not even recognize that the ipad is connected. Thx.

Try something very simple first. Quit iTunes, reboot the Mac and restart the iPad. Then try again.
I had some issues when I first installed SL on my last MacBook, and I still have issues every now and then with the iPad not being recognized (now running Lion 10.7.3 on a new MacBook Pro) and this has always worked for me. You may have to reboot the Mac a couple of times - but try it and see if it works for you.

Video won't sync after update to 4.3

I have a 1st generation iPad, everything worked great on it prior to updating to iOS 4.3. Now, it will not sync any video - no TV, no Movies, not manually checked, not on Playlists. I have turned syncing movies/TV off, then synced, then turned movie/TV syncing on, and synced - no joy. I have reset the iPad, and done a full Restore - nothing. Video just won't sync.
I've got a Mac running the latest 10.6 and iTunes 10.2.1
Anyone got any ideas? Thanks!

I believe I have the same issue as you. It seems that some of my videos will sync; while others will not. I'm not sure what it is about some of the video files that allows some of them to work and the others not. I used HandBrake to convert the videos to AppleTV format and this worked for me up til this recent iTunes/iOS software update.
I am on iTunes 10.2.1 and iOS 4.3 running on Mac OS X 10.6.6.

IPod Touch suddenly won't sync after updating app

I installed an update for an app and now my ipod touch won't sync. The mac doesn't see it and it doesn't even charge when hooked up. It charges fine with the same cable on a wall charger. My son's ipod is fine, I've restarted the ipod and the mac, I've reset the ipod, i've swapped usb's and cables, no luck. I've tried holding down the lock and power buttons. Its a 32 gig model, SW version 3.1.3. Can I uninstall an app? I suspect its tic tac toe free causing the problem

Welcome to the discussions,
you can delete the app on your ipod by touching the icon until it starts to shake, then hit the little cross to delete it.
Did you try to connect in recovery mode to see if it is recognized by your mac? http://support.apple.com/kb/HT1808

Won't sync after update 11.1.4

I can now get itunes to recognize my devices but they won't sync properly. There's no error messages. They simply don't do anything during the sync. I've tried restoring my iPod. Adding a playlist, the entire library and nothing works. Help? I'm running windows 8.1 btw.

I have the same problem. Windows 8,1, Itunes 11.1.4. IPod Classic 160 GB.
If I connect the iPod to the USB port, iTunes simply hangs and becomes unresponsive. I have to unplug the iPod and kill the iTunes process to reset things.
The iPod is very full. I've tried deleting albums in iTunes to create breathing room for the sync. But that doesn't help.
When they aren't connected, the iPod and iTunes each run fine, but syncing fails.

Following latest update, lost all contact information

I recently upgraded to OS 5.0 and lost all of my contact information, why? and is there a repair?

yes by doing a backup got no help from verizon but a nice apple tech got me back up and running in less than 5 min by doing a back up

Update of iP3G to IOS4 wiped out all contacts, calendar etc.

Is there any way to get those back?

I've had the same problem, which I posted at <http://discussions.apple.com/thread.jspa?threadID=2529384> Earlier, I tried to retrieve the lost iPhone Calendar data by doing a "restore from backup" in iTunes. First, iTunes restored the data, causing a retrieved Calendar alert to show up onscreen after the phone did a restart. But then, iTunes began syncing the phone again (something I didn't want &, as far as I knew, hadn't set iTunes to do!). Sure enough, when the new sync was complete, the restored iPhone Calendar data had been wiped again.
After this, I checked the backup list in iTunes Preferences: Devices & saw 2 backups listed. Mousing over them, showed they both had the same date & time info, but I guessed the one on the bottom of the list was probably the older version I wanted to restore. So I turned off everything I could in the iTunes iPhone Info page, checked to be sure that MobileMe syncing was off on my computer, then tried the "restore from backup" again--being careful to choose the 2nd backup on the drop down menu that appeared. After the restore, I waited for the phone to restart & was surprised to see iTunes announce that it was starting to sync the phone. To prevent this, I clicked the Eject button next to the phone in iTunes, then ripped the phone out of the USB cradle. This triggered a spinning beachball in iTunes, but the phone was fine, my lost Calendar data was restored, & iTunes eventually got over its sudden ejection trauma.
I'd still like to update iCal on my computer with the restored iPhone Calendar info. But, frankly, at this point I'm afraid to try anymore syncing. I've had so much trouble with my formerly indispensable iPhone since I updated to iOS 4 that I reluctantly switched to another brand of smart phone & now simply want to transfer data from my iPhone to the new device.

HELP!!!! iCloud synced all contacts calendar etc to both mine and my mothers account due to shared apple id HELP ME!!

Okay so me and my mom have both downloaded the new iPhone update and now she has both her contacts and mine along with my calendar info and more. We both think its due to iCloud seeming as it didn't happen before we set it up. It is a nightmare and we just want it FIXED!. We have tried turning them off individually such as the contacts and the calendar yet they still were there! next we tried pressing the option that deleted them all from iCloud yet it just deleted all of out contacts so we turned it back on.
What is going on??????
I just want her contacts and calendar information GONE i really dont want me texting my nan thinking its my mom cus its written as mom mobile for both mine and hers AAAAH.

You will have to have two separate Apple IDs to keep each of your sets of data separate. I assume your Mom has her own computer and/or Apple ID so you can buy all that music without her knowing about it. Just go to "settings" and then "Mail, contcts, and calendars". Click on the icloud account and remove it from your device. Then create a new icloud account using your Apple user name and ID (assuming it is seperate from your Mom's Apple user name and ID. Your devise should begin syncing just your stuff to your device. This is all predicated (again) on you and your Mommy having separate contact lists, email accounts, calendars, etc. - and MOST IMPORTANTLY - (did I already say this?) separate user names and Apple IDs.

Can't connect to .Mac, lost all Contacts, Calendar info

Hi all.
I have a recent iPod touch. It's set up to synchronize (Mail, Contacts, iCal, Applications) wirelessly with MobileMe, NOT via iTunes.
Everything was working fine.
This afternoon, I loaded 5 pictures and also used the Maps application.
Now, back home, the iPod can't connect to MobileMe: if I try to use the Mail application, it displays the msg "Checking for Mail..." forever and nothing happens. Eventually, I get a msg stating "Cannot Get Mail The user name or password for [email protected] is incorrect". (That is ********.), I click OK and then it states "Cannot Get Mail. The connection to the server failed".
I also appear to have lost all my contacts (only about 1200) and all the calendar info.
Any suggestions?
Thanks!

Hi, everybody.
Following an Apple troubleshooting procedure, I ended up deleting my account and re-creating one and was then able to recover my contacts, mail and calendar info from MobileMe.

IPad Air won't sync after update

I was still on 7.1.2 on my iPad Air before I upgraded. I made my backup to sync all my apps and everything and then did an update using the restore option and when I choose to restore my back up it takes about 3 hours and after that none of my apps have synced and iTunes is still asking if I want to "set up as new" or "restore from backup" well I have restored from backup about three times without getting any of my apps back. Any one else have this issue or know how to help? Thanks

If you can, decline both options to restore the backup and set up as new, and just cancel out. Then eject the iPad, quit iTunes, restart your computer, restart iTunes and then try to sync again. You can't be any worse off than you already are, of none of your apps are syncing anyway. Maybe refreshing everything will allow the process to work.
IF you still have the backup that you created before you updated, your app data and settings should still be safe in that backup.

My ITouch won't sync after update, it says "Apple Mobile Device not started" ??

After I updated ITunes to 10.5.2, I try to sync my IPod and a box pops up and says "This Ipod cannot be used because the Apple Mobile Device service is not started. Has anyone had this problem too? I don't understand what I have to do...

See Here
AMDS for Windows
http://support.apple.com/kb/TS1567

3G won't sync after update. Lost all contacts, calendars, etc.

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