Sometimes this is enough to get things working again.
If syncing now works but no content, music, apps, or movies is moving over to the i Phone, i Pad, or i Pod, check the following: These content and media transfer issues are often just a misunderstanding of how those preferences work.
It is always a good idea to take a backup of your i Phone, i Pad and i Pod Touch before updating it with the latest i OS software update.
If Apple holds to previous release patterns, then i OS 9 for i Phone, i Pad and i Pod touch should be released around 10 am PT/1 pm ET.
Check this post to find out what time it will be released in your time zone.
Additionally, you will also learn the best way to save your SHSH blobs which will allow you to downgrade your i Phone, i Pad, i Pod Touch and Apple TV firmware version in the future.
Simply scroll through our section for the firmware version you are trying to downgrade to, and read one of our easy to follow how to guides on downgrading your i Phone, i Pod Touch, i Pad, Apple TV or even Play Station.