A lot of people reported that they recently had problems connecting to Siri through their SiriProxy.
Until now, you only needed a jailbroken iOS device, Spire and a working SiriProxy. It now looks like Apple has changed something on the server and has added a “SetActivationToken”, which disabled Siri for almost everyone who was using Spire.
You can temporarily fix this by deleting the “/var/mobile/Library/Preferences/com.apple.assistant.plist” file on your device. (make sure you respring after you deleted the file).
We currently don’t know if this really is an attempt to stop people from using Spire, or if it is just a coincidence. (You have to remember, Siri is still in its beta stage and it is normal that changes are being made). We will hopefully find out shortly.
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By deleting the file you say “temporary”. What is up with that. Also if I delete the file will I lose Voice Control when I disable Siri?
I found a workaround, you delete the com.apple.assistant.plist then respring. Then go to a folder on springboard and activate siri, it works.
How do I delete this file exactly?
you need to download ifile from cydia