Samsung Galaxy S II (he kore mana ano ko Samsung Galaxy S2) i tukuna i te marama o Mei 2012. Ka whakatauritea ki tona mua - Samsung Galaxy S – i tukuna nga ahuatanga rorohiko hou, nga taputapu whakawhanui me te hoahoa hou. I whakarewahia te Tauira S II me te punaha whakahaere Android 2.3.4 "Gingerbread", kua whakahoutia ki Android 4.1.2 "Tiēre Bean".
Kare i roa i muri mai Galaxy Na te II, i tukuna ano e Samsung tetahi momo waea e mohiotia ana ko te Galaxy R, e whakamahi ana i te chipset Nvidia Tegra 2. Ko tetahi atu rereke o te tauira S II, i kiia Galaxy I panuitia te S II Touch Epic i te marama o Akuhata 2011 ka hokona atu i te marama o Hepetema o taua tau. I waatea te waea ma Sprint me te kaha o te pākahiko nui atu i te S II taketake. He taumaha ake i te S II taketake, 130g te taumaha.
Technické tauwhāiti
| Te ra mahi | 2011 | |
| Te kaha | 16GB, 32GB | |
| RAM | 1GB | |
| Ahu | 125,3mm x 66,1mm x 8,49mm | |
| Taumaha | 116g (Paerewa), 130g (Sprint) | |
| Whakakahoretia | 4,3" Super AMOLED Plus | |
| Tipi | Samsung Exynos 4 Tärua | |
| Whatunga | 2G, 3G, 4G LTE | |
| Kāmera | Muri 8MP, Arotahi Aunoa, 1080p @ 30fps Full HD, rama rama | |
| Hononga | WiFi Tika, Nihokikorangi 3.0 | |
| Panihini | 1650 mah |
