Use google sync. its the easy way out. source :- http://www.everythingicafe.com/transfer-contacts-calendars-blackberry-iphone/2012/05/01/
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.
Bluetooth!
sim card
How do you transfer data from Blackerry Curve to Galaxy S2
Through iTunes
Just go to your phone store and they should do it for free !!
The iPhone and BlackBerry are both smartphones. The iPhone is produced by Apple, and the BlackBerry is produced by RIM (Research in Motion).
Use PC to iPhone data transfer, there are a few software that can help you getting this done.
esay blackberry but if it was a iphone 4 then it would be the iphone
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.
If you go to AT+T, they will be able to transfer them for you. They did it for me absolutely free.