It will automatically be transfered as long as you have done a backup before hand, or if using the new iCloud storage.
iTunes cannot help you do this. But FonePaw iOS Transfer allows you to sync/transfer/copy files from iPhone to iPhone, iPhone to iPad, iPad to iPad, iPhone to iPod etc.If you want to transfer data or files from one iPhone to another one, you can use tools like AnyTrans to make it. It won't erase the previous data on your devices. With it, you can also transfer purchased and non-purchased items from iPhone to computer, to iTunes.
Take it to the shop where you purchased the iPhone and get them to do it for you.
Through iTunes
There are lots of iPhone data transfer software online, such as imeshootings imeshootings iPhone Transfer, imeshootings iPhone 4 to mac or PC transfer, just download the trail version and use it.
Use PC to iPhone data transfer, there are a few software that can help you getting this done.
yes that is possible. you just have to know how to.
By using iCloud.
first you need a USB wire, next you connect the i-phone and the computer with the USB wire, then a dialog box should appear on your computer and you find a button of connect then you are done.
You need the back up and restore application to transfer the GB from one phone to another phone. If you use iCloud, you can easily backup your old iPhone to iCloud, and then restore your data to your new iPhone. iTunes can also be used to backup your iPhone to your computer, and then also used to restore your data to your iPhone.
Use google sync. its the easy way out. source :- http://www.everythingicafe.com/transfer-contacts-calendars-blackberry-iphone/2012/05/01/
If you mean backup and restore your iphone data via iTunes. Then yes. Restore data from iTunes backup will wipe your current phone data. If you want to backup your phone data, and merge old bakcup with current phone data when restoring, you can try a tool called Syncios Data Transfer. Syncios supports to transfer data between iPhone and android phone, a selective backup and restore is also available. And all your current phone data will be kept.
If you have an iTunes backup and iCloud backup, you can directly restore from the backup you have. If you don't or you don't want to wipe the current phone data. Try a tool called Syncios Data Recovery, it scans and recovers deleted data from iOS devices. Messages, whatsapp, photos, contacts and more.