I recently downloaded and installed the mobile extensions preview 2 package for Qt. I'm interested in evaluating the camera functionality provided by Qt so I have built the CameraEx project found in the package. On transfer of the built application to the phone, the installation stops with the message "Requested Application Access Not Granted". Can someone tell me if this application, which requires the target capability MultimediaDD, must be signed with a developer cert.? That is, it will not work with self-signing.