HTC HD2 is a very very old device launched in 2009. It has a 4.3″ WVGA TFT screen and half a gig of RAM. It is powered by a 1GHz Qualcomm Snapdragon processor and Adreno 200 GPU. It has a 5 MP rear camera. At the time of its launch, it was one of the most impressive devices. It shipped with Microsoft Windows Mobile 6.5 Professional, but has since seen ports of practically every major mobile OS including Android, MeeGo, and Windows Phone 7.
Good news for the HD2 users is that CM 12 port is now available for this device. It should not come as a surprise as this device has received a lot of ports. It is still in the alpha stages. If you want to try out Lollipop on the HD2, follow the guide below.