Q: When i try to sync my iphone 4s i get a prompt window that tells me the sync session failed to start and will not let me sync or b ... When i try to sync my iphone 4s i get a prompt window that tells me the sync session failed to start and will not let me sync or back up my phone. Can anyone help me? more
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Helpful answers
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Jan 4, 2014 11:45 AM in response to shirk08by sterling r,Hello Shirk08,
Thanks for the question!
It sounds like you are unable to sync your iPhone to iTunes because of this error message. First make a back up of your phone to iTunes before starting troubleshooting:
iOS: Back up and restore your iOS device with iCloud or iTunes
http://support.apple.com/kb/ht1766
Then try out the troubleshooting steps in this article which mentions the error message you are getting:
iOS: If you can't back up or restore from a backup in iTunes
http://support.apple.com/kb/ts2529
Update your software
- Get the latest version of iTunes for your computer. If you see a message that says you can't contact the software update server, follow these steps for Mac OS X or Windows.
- Install updates for your Mac. If you use a PC, you can get PC software updates from the Microsoft website.
- Install updates for your iOS software.
Restart your computer and your iOS device
After you restart your computer and iOS device, try to back up again.
Unplug your other USB devices
Keep only your iOS device, keyboard, and mouse plugged in. You need to plug your device directly into the computer.
Free up space
To back up or restore from backup, you need to free up enough space on your hard drive to store the backup or the capacity of the device.If iTunes couldn't restore the device because not enough free space was available on the device, follow these steps:
- Choose Settings > General > Reset > Erase all content and settings.
- Try to restore from the backup. You may need to restore from a smaller backup or create a new backup.
These are the first few steps to get you started. Theare are addtional steps in the article if you need them.
Thank you for using Apple Support Communities.
All the very best,
Sterling
