Apple disappointed many iPhone 4 owners with the news that Siri, the digital personal assistant technology, would only be available on the new iPhone 4S, and efforts quickly began to hack Siri onto the older smartphone. Developer Steve Troughton-Smith got the local app running with no problems, but faced Apple servers refusing to play ball with anything but the newest iPhone. Now, with the judicious application of some validation tokens from an iPhone 4S, its possible to get Siri on the iPhone 4 and iPod touch up and running, even without official support from Apple itself.

"It does require files from an iPhone 4S which are not ours to distribute, and it also requires a validation token from the iPhone 4S that has to be pulled live from a jailbroken iPhone 4S, and its about a 20-step process right now" Steve Troughton-Smith, developer

Meanwhile, a second video has already demonstrated Siri running on the iPod touch 4, though in this case there are some hardware limitations. Thats around the iPod microphone, however, which is less sensitive than that of the iPhone 4/4S: Siri demands a strong, clear voice if its going to pick up any commands

Still, You should not expect to see a public release of this particular Siri hack any time soon!

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