InternalUI Builds

This is a list of known Internal UI builds. These builds are versions of iOS used for testing and debugging different features before a decision is made whether it will release to the public.

What are Internal UI builds?
Internal UI builds are internal versions of iOS, watchOS, iPadOS and tvOS that have features that aren't in release builds. These builds are for internal use within Apple and are often found on PrePVT Prototypes. Internal UI builds often have experimental features and internal apps.

What is Desense?
Desense is a slimmed down version of Internal UI, that are used to do quality control. These builds have less internal-specific apps installed, around 2 full pages whereas regular Internal UI builds often have 3 or more pages of internal apps. Additionally, these builds may contain diags.

Screenshots from Internal UI builds
= iPhones =

iPhone 12 Pro Max
= iPads =

iPad Pro (12.9-inch) (4th generation)
= iPod Touches =