When the iPhone 4S and Siri were announced, there was a flurry of activity amongst hackers and developers who were curious to see if they could port Siri onto non-iPhone 4S devices. While they have managed to do that, the process involved is a rather long one as it involves a jailbroken iOS device and users are required to set up their own SiriProxy server. However it looks like the joy and novelty of using Siri on a non-iPhone 4S might be short lived as Apple appears to have taken steps to disable Siri on unauthorized devices.

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There have been reports that users who have Siri installed on non-iPhone 4S devices who claims that it no longer works. Upon further investigation, it seems that the cause of this problem is a certain “SetActivationToken” property list file which disables attempts to communicate with Siri’s servers.

Not all is lost though as there are reports of non-iPhone 4S users claiming that simply deleting the com.apple.assistant.plist file from the jailbroken iOS device’s var/mobile/Library/Preferences/ folder fixes the issue. It seems rather straightforward and simple, and while we don’t really have a chance to try that out ourselves, we’d love to hear from our readers who are experiencing such issues and if the solution worked for them.

Filed in . Read more about iPhone 4S and Siri.