I have an IPA signed for ad-hoc distribution. I can install it fine with Flash Builder. I\'d like to install a release version via iTunes 12, though. Dragging it onto:
For iTunes 12.9.5.5 and above you can install the apps by Copying the IPA file and Paste it (Cmd+V or Edit -> Paste in iTunes) in any categories as Music/Films/TV Programmes etc. The app will be installed automatically on your iPhone screen.