No. Have the same problem about a month and was talking with schturmann in the N9QTweak. I really like to have back N9QTweak T-3-1-1
devel-su apt-get update
apt-get install --reinstall system-ui
aegis-apt-get install system-ui-unrestricted-server_1.0.2_armel.deb
aegis-apt-get install system-ui-brightness-qml_1.0.4_armel.deb