I have an iPhone 3GS and a iPad 2, I can not get the Bluetooth on my iPhone to connect with my iPad. The iPad connects to other Bluetooth devices.
What are you wanting to achieve via Bluetooth between the two ? You can't, for example, use it to copy content.
Supported Bluetooth profiles : http://support.apple.com/kb/HT3647
The bluetooth is meant to connect devices, keyboards, headphones, etc.It's not meant for data transfer.
There is an app so you can play games between the iPhone and iPad, but it won't connect the each other
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