Dell Streak 5 Unlocked Android Tablet Smartphone (16GB, GSM, WiFi + 3G, Bluetooth) 5-inch widescreen display optimally designed for the mobile web/video/movies Crystal-clear scratch-resistant Gorilla glass screen Integrated social networking widgets and apps, plus tons of apps through the Android Marketplace Google Maps with navigation and text-to-voice, turn-by-turn directions with Street View Multitasking Google Android OS that gives you the freedom to do what you want Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.