That’s right folks, In just a matter of days Siri voice assitant for iPhone 4S has just been ported to the iPhone 4. All thanks go to developer Steven Troughton-Smith and 9to5 Mac for making this possible. You can check out the video below to see Siri on the iPhone 4 in action for yourself. There are still a few issues like Apple not authenticating the commands from Siri just yet, But that may just be around the corner. Also check out the source link aswell for more information.
Source: 9to5 Mac