Sony Xperia U ST25A-WY Unlocked Phone with Android 2.3 OS and 3.5-Inch Touchscreen--U.S. Warranty (White/Yellow) Networks: UMTS HSPA 850 (Band V), 1900 (Band II), 2100 (Band I); GSM GPRS/EDGE 850, 900, 1800, 1900 Google Android 2.3 (Gingerbread); 1 GHz STE U8500 Dual Core; Internal storage: 4 GB/RAM 512 MB Display: 3.5 Inches Capacitive touch screen, scratch-resistant, anti-reflection coating on mineral glass Camera: 5 megapixel with HD 720p video recording White end cap can be replaced with the extra yellow end cap included in the box.