: Short for "Universal," meaning the app is designed to run on both iPhone and iPad.

: Suggests this is a "shadow" or hidden build, often used for A/B testing or internal "dogfooding" where features are hidden from the general public.

: Likely refers to the minimum or target operating system version, in this case, iOS 14.0 .

: Downloading .ipa files from unofficial third-party sources can expose your device to security risks. If you are not a designated tester for this specific "Radio Prime" project, it is recommended to wait for the official App Store release.

: The phrase "draft piece" combined with "user-hidden" strongly suggests this is pre-release software not intended for the general public.