What all information will i loose if I sync iPhone with another computer?

Hey,
Just wanted to understand what all information will i loose if i sync my iphone with another computer?
will i loose my contacts and messages?
Thanks
Cheers
Divesh

Syncing your iPhone with iTunes on another computer will not erase all data on your iPhone. SMS/MMS will not be touched, photos/video in your iPhone's Camera Roll, the same for notes, email accounts, and iPhone settings.
In regards to iTunes content, an iPhone can be synced or manually managed with an iTunes library on a single computer only, and photos can be transferred from a single computer only. When transferring iTunes content and photos from another computer, all iTunes content and photos transferred from a different computer will be erased from the iPhone first with a warning message provided indicating this will happen.
You can sync contacts, calendar events, and Safari bookmarks with the supported applications on multiple computers.
You can transfer iTunes content and photos from one computer along with syncing contacts, calendar events, and Safari bookmarks with the supported applications.
When connecting your iPhone to iTunes on another computer, you will be provided a warning message that your iPhone has been synced with iTunes on another computer. If you don't select to transfer any iTunes content or photos from another computer, no iTunes content and photos that were transferred from a different computer will be erased from your iPhone. If you select to sync contacts, calendar events, and Safari bookmarks only with the supported applications on another computer, only this data will be touched on your iPhone.

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