title: Does an app that made with ios sdk 4 install on device with os 4.2?
body: <p>Does an app that made with ios sdk 4 install on device with os 4.2 ?</p>
  
  <p>I made an app with ios sdk 4.0.1 but now i want to install it from xcode on ipod touch with os 4.2 but says <code>No provisioned iPhone OS device is connected.</code></p>