iOS (Jailbroken): Siri, the iPhone 4S voice assistant/voice dictation system, has been locked out of other iOS 5 devices like the iPhone 4 and 3GS by Apple. Hackers have gotten it to work on the older phones in a proof-of-concept way, but nothing has been released that makes things work as well as the iPhone 4S Siri. But, if you want the voice dictation aspect, there's Siri0us. More »