The Samsung W279 is a mid range phone with dual SIM feature. One of the noteworthy facts about this phone is that it supports one GSM network and one CDMA network simultaneously. Design The Samsung W279 has a 2.4-inch TFT display screen that displays visuals in a bright resolution. The handset weighs about 107 grams and it is 15 mm thick. The well designed alphanumeric keypad in the phone lets users type their texts easily. Features