Samsung I929 Galaxy S II Duos official Pictures. Samsung I929 Galaxy S II Duos is a Smartphone of samsung. The Samsung I929 Galaxy S II Duos Android Smartphone. Announced Dec 2011. Features 4.52″ Display, Snapdragon S3 Chipset, 8 MP Primary Camera, 2 MP Front Camera, 1800 MAh Battery, 16 GB Storage, 1000 MB RAM, Corning Gorilla Glass. Samsung I929 Galaxy S II Duos price starts.