Samsung I5503 Samsung i5500 Corby Galaxy 5 Android Smartphone with Wi-Fi, Bluetooth, GPS, Touch Screen - No Warranty - White This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint Network: Quad Band (850/900/1800/1900MHz), 3G Band: 900 / 2100 16 million Colors TFT, 2.8 inches. Full Touch Screen Camera Resolution: 2 Megapixel with Digital Zoom Operation System: Android 2.1 (Eclair)