http://www.sonyericsson.com/cws/products/mobilephones/overview/x1?cc=hk&lc=en Specifications
Size
110.0 x 17.0 x 53.0 mm
4.3 x 0.7 x 2.1 inches
Weight
145.0 g
5.1 oz
Available colours
Screen
800 X 480
65,536-colour TFT
Memory
Up to 400 MB Phone Memory
MicroSD support
Actual free memory may vary due to phone pre-configuration Networks
GSM 850
GSM 900
GSM 1800
GSM 1900
EDGE
HSDPA
HSUPA
UMTS 850
UMTS 900
UMTS 1700
UMTS 1900
UMTS 2100