Huawei Ascend G510 Dual Core 4.5" IPS Android Smartphone (GSM Factory Unlocked) - Dual Core, 4.5" IPS Screen, Dual Cameras, 3G 900/2100 MHz - Black Quad Band 2G 850/900/1800/1900 MHz, 3G HSDPA 900/2100 MHz 4.5" IPS Touch Screen, Dual Core 1.2 GHz CPU, Android 4.1 Jelly Bean 512MB RAM, 4GB ROM, up to 32GB with SD card Dual Camera with LED Flash, Primary 5 MP with autofocus 1700mAh Battery, Blue Tooth, GPS, WiFi, USB, Stereo FM Radio, MP3/MP4 Player 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.