HTC unveils quartet of mobile devices

The Touch Dual also features some enhancements to the original Touch's user interface. Of particular note, given the advent of Apple's iPhone, with its pinch-action image-zooming functionality, is HTC's own method of zooming in — a simple circular motion with one finger zooms in or out, depending on whether the motion is clockwise or anti-clockwise.

The updated Touch also boasts HSDPA connectivity, which is much faster than the Edge-centric original. Asked whether Edge (which also provides the main connectivity for the iPhone) was enough these days, Seiche claimed that "for a lot of customers, Edge is fine".

In a tangential announcement, Chou also revealed an "Arctic silver" version of the original Touch, due out by Christmas.