IPhone 4 help immediately please?

I deleted 4 voice launch daemons off my phone to speed it up, I thought they were for voice control only but I downloaded siri and now there's no voice and it's not really working. If anyone is jailbroken can you please copy these files off your iPhone and upload them?
com.apple.voiced.plist
com.apple.VoiceOverTouch.plist
com.apple.vsassetd.plist
com.apple.scrod.plist

Restore, the jailbreak again.
add siriport from cydia, there's no reason to edit or delete files.

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