Samsung Gear S2 3G official Pictures. Samsung Gear S2 3G is a Smartphone of samsung. The Samsung Gear S2 3G Watch. Announced Aug 2015. Features 1.2″ Display, MSM8x26 Chipset, 300 MAh Battery, 4 GB Storage, 512 MB RAM, Corning Gorilla Glass 3. Samsung Gear S2 3G price starts.