Samsung finally announced that Galaxy S II will be launched in US by mid of the month September. The phones would be available through network carriers like AT&T, Sprint and T-Mobile with 4G HSPA+ 21 Mbps (on AT&T and T-Mobile networks) and 4G WiMax (on Sprint) networks on release version mobiles.
The S II model released by AT&T would be of 8.9 mm in thickness with 4.3 inches screen size, whereas T-Mobile and Sprint would have its S II model with 9.5mm and 9.7 mm in thickness respectively. And with same screen size of 4.52 inches. All models will have 1.2 GHz dual-core processor, Android 2.3 Gingerbread OS, TouchWiz Interface, Stream HD video, Wi-Fi Direct, 1 GB RAM, 16 GB of external memory storage expandable upto 32 GB, and 8 MP camera.