Couple of days back, we’ve informed you that MuscleNerd posted that the new iOS 5.0.1 version seeded by Apple to the iPhone 4S makes Siri port to the iPhone 4 legal. Today, we’ve got some great news (via JailbreakNation) for you; some developers are currently working on a new method known as “i4Siri” to bring Siri port on iPhone 4 in a legal way.
The project i4siri is going to bring Siri to older devices running iOS 5 through some Cydia tweaks and utilities. These devices include iPhone 4 and iPod Touch 4G. Other devices will be supported later. Theoretically, it can be used on iPhone 3GS but no confirmations yet.
@MrAjsTech with @leftyfl1p could be able to legally port Siri on iPhone 4 and they showed off a video teaser before the release: