Even though Windows Phone 7 Mango won't be shipping until later this year, you can still get it on most current Windows Phone 7 devices in beta form. If you don't have a WP7, or you do but you don't want to run beta software on it, you can now take Mango for a test drive on your HTC HD2! Here's how to get Mango on your HD2: 1. Follow the instructions to download and install magdlr if you ...