This is the official HTC Touch Dual US User Guide in English provided from the manufacturer. If you are looking for detailed technical specifications, please see our Specs page.
The US variant of the Touch Dual is quad-band GSM with 850/1900 MHz UMTS. It runs on the new Windows Mobile 6.1 OS but its features are identical to the European model. Opened, it reveals 20-key QWERTY keyboard with SureType-like design. As the other phones with the Touch name, this one features TouchFlo for more finger-friendly usage.