For the time being, in order for Android to function properly on the HD2 you need a compatible Windows Mobile 6.5 ROM and Radio. The ROM is the operating system itself and the Radio is basically the drivers for the cellular connection. Eventually you will be able to remove Windows Mobile completely and replace it with Android but for now we use Windows Mobile to initiate some of the devices on the phone.

I use this radio: Leo_RADIO_2.12.50.02_2: MegaUpload

And I’m using an Miri extra light ROM because I dont use WM for my day to day operations, I only use it to start Android. I think I’m using version 17. Here is version 22 which I think is the newest version: