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. Internal storage capacity: 16 GB, Maximum memory card size: 32 GB. Main camera resolution: 8 MP, Digital zoom: 4 x, ISO sensitivity: 100, 200, 400, 800, Auto. Data network: 3G, EDGE, GSM, HSDPA, HSPA, HSUPA, Wireless LAN type: 802.11a, 802.11b, 802.11g, 802.11n, Bluetooth version: 3.0+HS