Cell Phones Unlocked , 5.5 Inch Big Hd Screen Android Smartphone 3g GSM for At&t Tmobile Straight Talk Net 10 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, Pure Talk USA and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin HIGH SPEED QUAD-CORE PROCESSOR: Designed to deliver a valued balance of performance, robust connectivity and better battery life. Stream movies while downloading your favorite tunes. The powerful quad-core processor gives you the freedom to do everything you love EXPANDABLE MEMORY SUPPORTED MICRO SD CARD: Store photos, music and movies with internal storage and expandable with microSD: supports up to 32 GB). The high capacity, lithium-polymer battery will provide enough power to outlast your busy da 5.5" HD TOUCHSCREEN: The high-definition display gives you a fantastic view with its HD resolution and 312 pixels-per-inch (PPI) Additional Features: Google Play Store, Smart wake, Proximity Sensing, Gesture Sensing, Bluetooth, GPS Navigation, MP4, MP3, FM Radio, Sound Recorder, Video Player, 3G, Gravity Sensing, Torch Light, Wi-Fi, Maps, Gmail, Movie Studio, etc