My Windows Phone 7 on HTC HD2 is useless without unlock. Why? I cannot access to Windows Marketplace, XBOX Live or use any Windows Live Services without getting Windows Phone 7 activated. Even that I can access, can I? Hmm… Malaysia does not support them yet. Therefore, the only way to install applications without Windows Marketplace is to use 3rd party software. And that requires your Windows Phone 7 to be unlocked first.

Thanks for xda-developer, ceesheim for coming out this guide. And here is the detail step by step guide that I have gone through…