T-Mobile Samsung Galaxy S II. Display diagonal: 108.5 mm (4.27 "), Display resolution: 800 x 480 pixels, Display: AMOLED. Processor clock speed: 1.2 GHz. Maximum memory card size: 32 GB, Internal memory: 16 MB. Main camera resolution: 8 MP, ISO sensitivity: 100, 200, 400, 800, Auto, White balance: Auto, Cloudy, Daylight, Fluorescent, Incandescent. Data network: 3G, EDGE, HSPA, HSUPA, Wireless LAN type: 802.11a, 802.11b, 802.11g, 802.11n, Bluetooth version: 3.0+HS