Problem: iPhone not sync with iTunes
Each of the following solutions can eliminate the Problem. Follow the steps in the specified order, so that unnecessary expense is spared:
- Cable disconnect: In the best case, you can fix the Problem by Disconnecting the cable. Disconnect it from the Computer and from the iPhone and then plug it back in.
- Restart: you will Start as a iTunes new. If that doesn't help, restart both your Computer and your iPhone.
- iCloud: Save all your data in the iCloud, as well as on the PC, it can lead to complications. Will be performed a Backup via iCloud, you need to wait until the end to start the Synchronisation from the PC.
- Software-Update: In most cases a Software error. Nevertheless, you should install it on both devices is always the latest Version of the Software.

iPhone turn off
iTunes: Incorrect synchronisation settings?
Does the actual synchronization, but will not be matched, their data apparently have been made to the wrong settings.
- Click the top right of the window, click your iPhone and select the tab "Overview".
- Below the "options" you can change the automatic synchronization, or the type of synchronization (see image).
- Under the tabs "music", "movies" or "Apps" you can also enable the automatic synchronization.

iPhone: synchronization setting
In the worst case: iPhone reset
In the worst case, you need to reset your iPhone.
