HTC Desire Z is a slim, solid and smart Smartphone with Android OS, v2.2 (Froyo). The Desire Z comes with a 5 megapixel stills, HD video and a LED flash, a bright 3.7 inch display, Wi-Fi and GPS. The Desire Z is also reasonably thick, due to the keyboard hidden away beneath its touchscreen. Measuring 60 by 119 by 14mm, it's a real slab of a phone.