Samsung i640 / i640V (SGH-i640)

A follow-up device to the recent i620, the Samsung i640 (also sold on the Vodafone network as the i640V) is an HSDPA capable 3.5G slider phone with an unusual 320 x 240 pixel display.So, what has changed since the i620? Well the truth is, not much. In almost all regards, the i620 and i640 are completely identical. The one significant difference between the two devices is that the i640 boosts the