title: Can't install app on iOS 6.0.1 devices
body: <p>I developing iphone app with xcode 4.5. I used TestFlight for ad hoc testing.
  When upload build (.ipa) to TestFlight and get the installation link. i am able to install app on my iPad 5.0.1 using TestFlight installation link. But i tried to install app on iPhone 6.0.1 it gives me error message. "Won't install this app".</p>