O2 XDA Serra O2 XDA Serra Specs: 2G Network:     GSM 850 / 900 / 1800 / 1900 3G Network:     HSDPA 2100 Size: 102 x 51 x 18.1 mm Weight:     165 g Display Size: TFT resistive touchscreen, 65K colors -480 x 640 pixels, 2.8 inches – Full QWERTY keyboard – Accelerometer sensor for