Sony Ericsson XPERIA X1 Sony Ericsson XPERIA X1 Specs: 2G Network:     GSM 850 / 900 / 1800 / 1900 3G Network:     HSDPA 900 / 1900 / 2100 -HSDPA 850 / 1900 / 2100 – XPERIA X1a Size: 110.5 x 52.6 x 17 mm Weight:     145 g Display Size: TFT resistive touchscreen, 65K