you can not reverse the sync
You can sync your iPhone to iTunes to transport music, pictures, videos, etc.
You can sync your iPhone to the Nook app including your bookmarks and other pages.
In iTunes, click on your Iphone and mark the box to sync addresses. At next sync it will sync. If you have a MobileMe subscription it can automatically sync over the air without user intervention.
you need itunes, and sync it on itunes (it says sync ) at the bottom right
Your iPhones contacts can be synched with your computers contacts though iTunes. You can set this up by plugging in your iPhone, Opening iTunes, clicking on Contacts, and then checking the box next to sync.
There is an AOL IM App, email you can set up in settings, mail.
No
Sync it to iTunes.
Sync your iPhone to iTunes on our computer
Through iTunes on your PC or Mac. In there you sync it, with your iPhone.
go to iTunes, register your iPhone, and sync it.