HTC HD2 Booted With Nokia X Android OS

HTC HD2 now also runs Firefox OS

Detailed tutorial shows how to install Windows Phone 7.8 on the HTC HD2

HTC HD2 WP8 port leads to Windows RT on the HTC HD2

Homebrew Windows Phone 8 start screen created for the HTC HD2

Windows Phone Tango 8773 already available for HTC HD2