Windows Phone 7 Nodo update is now available for HTC HD2. Unofficially , windows phone 7 rom was already available. The ROM for HTC HD2 of Nodo update is Build 7.0.7392.0 and it does not require jailbreak as it is already unlocked. It enables sideloading of apps through .xap installers.
Right now all features are functioning like market access, sideloading, zune sync, Wi-Fi, and phone operation except the camera due to incompatible driver. functioning due to a driver incompatibility. Soon it is expected for the developers to update SLDR for proper functioning of camera.
Go through the Guide though is very lengthy
