Most of us think that Apple has Just launch SIRI for iphone 4s and it want Comes to older version but still there is Some people who are saying that Apple has Started Testing Siri Compatibility With iPhone 4.
According to JBN, Apple is testing Siri on devices other than the iPhone 4S. The device specifically mentioned to us was the iPhone 4, but we can most likely assume that other devices are being tested as well. This means that we will potentially see a software update that allows Siri to run on older devices.
Appadvice also Reporting, according to them,
A second source also confirmed to us that the test went really well as far as performance is concerned. Unfortunately, the microphone of the iPod touch 4G is not as good as the one on the iPhone; this could hold Siri back from that device if it can’t be overcome with software.
So we can Hope that in next update of ios we can Get Siri on our old Device like iphone 4,ipad 2 and iphone 3GS.
Stay Tune with us For More Details, We will update you with more information about this.