Community-created images ( .nbh or .bin ) used to flash old hardware like the HTC HD2 or Samsung Intrepid. Key Features of Windows Mobile 6.5
In the context of Windows Mobile, an "ISO" typically refers to one of three things:
Disk images or .msi installers containing the necessary headers, libraries, and tools for building software.
A new, vertically scrollable "Today" screen inspired by the Zune player, featuring large typography and shortcuts.
Microsoft's first dedicated app store, which allowed users to browse and install apps directly from their device.
Windows Mobile 6.5 ISO: A Legacy Overview and Technical Guide