iPod touch Siri on iOS 7 beta 3

[kejok]

after updating my iPod touch to beta 3,my Siri got some issues.
she's now back to its old voice (robot-like voice,unlike in beta 2 which its voice more realistic) and can't do to turn on bluetooh,increase brightness and something like that.
has anyone got same problems??
and please tell how to solve this issues (if possible)
thanks

 

[cookies!]

clean restore B3

if that fails, go back to iOS6, for the beta gods do not look kindly upon you

 

[Appledict]

I'm using iPod touch with iOS7 beta 3.

Voice is new, not robotic and siri can increase/decrease brightness but she can't turn bluetooth on/off. I don't know why. I have clean install.