I recently upgraded to Cordova 2.9.0 from 2.3.0. After following all the upgrade instructions, I was able to get the app to launch in the simulator. However, in Xcode I see
I was having the same issue with the device information plugin using Phonegap 3.0.0. To solve this I simply had to uninstall and reinstall the plugin and then rebuild my project.
phonegap local plugin remove org.apache.cordova.device
phonegap local plugin add https://git-wip-us.apache.org/repos/asf/cordova-plugin-device.git
phonegap local build ios