This article discusses software internally used by Apple.
Acquiring a copy without Apple's consent is illegal and may result in being scammed.
This NonUI build is slightly bigger than Monarch 13A93420m, and is once again a build based off of an internal version of iOS 9.0. It was found on a iPhone 6s Prototype but due it containg kernel extenisons for A7, A8, A8X A9X processors. It can possibly be used for other devices.
This firmware seems to have the exact same applications as Monarch 13A93420m, therefore this build is mostly likely focused on bug fixes and minor GUI tweaks.