Spire can be installed on any non-iPhone 4S iDevice – be it an iPad 1 or 2, iPhone 4, or even an iPod touch. Spire is, without any doubt the best way to get the Siri experience on your iOS device without having to chug out a few extra dollars for a brand new iPhone 4S.
Read more: http://xiphone.org/install-siri-on-ipad/#ixzz1rdyC87nU
