Samsung Galaxy Young Duos Operating System: Android v4.1 (Jelly Bean); SIM Slot(s): Dual SIM, GSM+GSM; SIM Size: SIM1: Mini; Network: 3G: Available, 2G: Available; Dimensions: 109.4 (H) x 58.6 (W) x 12.5 (T) mm; Weight: 112 grams; Colours: Black White; Screen...