Why Siri not working in iOS 7 beta 4, no response?

I'm a non-developer, just upgraded my iPhone 5 to iOS 7 beta 4, but now the Siri not working, when I asked a question, she did not respond, and stay there without any replies. But Siri works fine in iOS 6.1.4, I just upgraded, why is that? How to fix?

Not to be mean, but it's kind of obvious. You upgraded to a BETA. This is an unfinished version of IOS that is bound to have many bugs and glitches. Don't expect to upgrade to a BETA and have flawless performance. There's no way to fix this.

Why you ask the same question twice, this is solution for Siri fixing on iOS7, good luck http://www.jailbreakiosx.com/siri-not-working-in-ios-7-beta/

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