This article discusses software internally used by Apple.
Acquiring a copy without Apple's consent is illegal and may result in being scammed.
This is a list of known internalUI builds. Unlike Factory Firmware. These builds have UI as normal iOS builds.
What Are Internal UI builds
InternalUI builds are iOS, watchOS, iPadOS and tvOS builds that have features that aren't in normal builds. These builds are for internal use within apple and may be found on Prototypes. InternalUI builds often have experimental features and internal apps. You can learn more about internal apps in this link ----------> Apple Internal Apps.
Screenshots from internalUI builds
Known internalUI builds
|5.0||9A269||?||?||From @DongleBookPro On twitter|
|5.0||9A2306f||Telluride?||?||Originally found on Twitter.|