Samsung SGH-X640, Silver, 128 x 160 pixels, 800 mAh, Silver Samsung SGH-X640, Silver. Display resolution: 128 x 160 pixels. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 800 mAh, Standby time (2G): 220 h. Weight: 3 oz (85 g). Product color: Silver The company of Samsung is trying to diversify as much as possible its offers in the middle segment where the demand for phones increases the most dynamically. This forces the company to modify the products already approved and offer them with new title...