can i get siri for the iphone 4

There is no Siri for iPhone for. Only 4S and above.

There are however several Apps in the Apps store that can do what Siri does. Here are some:

http://www.zeropaid.com/news/101274/5-alternatives-to-siri-for-iphone-3gs-and-4/

You can't. You need an iPhone 4S.

iOS 6: Which software features does my iPhone, iPad, or iPod touch support?

http://support.apple.com/kb/HT5457

You posted in the iPad forum instead of the iPhone forum. To get answers to your question, next time post in the proper forum. See https://discussions.apple.com/index.jspa I'll request that Apple relocate your post.

 Cheers, Tom 😉

tito-arroyo wrote:

Can I get Siri for the iphone 4?

No.