Comparison of HTC devices
HTC is the original design manufacturer for many Android and Windows Phone-based smartphones and PDAs. Brands that have marketed or previously marketed HTC-manufactured products include Dell, Fujitsu Siemens, HP/Compaq, i-mate, Krome, O2, Palm, Sharp Corporation, and UTStarcom. HTC also manufactures ultra-mobile PCs, and is also the manufacturer of the Nexus One and Nexus 9, a smartphone and tablet designed and branded by Google, respectively.
Android devices
Smartphones
HTC 10 evo (also known as bolt) needs to be added to the above figure reference is here: https://www.htc.com/us/smartphones/htc-bolt/buy/ Archived 2017-12-01 at the Wayback Machine
Tablets
7 Series (Windows Phone 7)
8 Series (Windows Phone 8)
Brew MP phones
S Series (Windows Mobile)
T Series (Windows Mobile with Touch)
P Series (PDA phones)
X Series (Mobile computer, Subnote)
Contracted devices
These devices were created under contract for a single non-carrier manufacturer and not branded by HTC, any carriers, or any other manufacturer. For this reason, none of them feature any custom HTC UI.