TIME | Spire Hack Adds Siri to Jailbroken iOS 5 Devices PC Magazine By Chloe Albanesius One of the key differences between the iPhone 4 and iPhone 4S is the availability of Siri on the newer smartphone. There have been a few hacks and allegedly legal options that put Siri on older versions of the iPhone, ... Something to write home about Spire Siri Hack Comes to Jailbroken iPhones Spire Program Ports Siri to Jailbroken iOS Devices |