For those brave ones and tired of WinMo on HTC HD2, you might want to have a try to run the HD2 on Android or Ubuntu. XDA Forum has release the builds for brave ones to download.
Actually, it will not touch the Flash ROM of your HTC HD2. That means a reset will bring back your WinMo 6.5 OS.
Click Here to the Download Link
For those who had tried, please share your experiences.
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