Lightahead&reg; LA-910T Unlocked 6.0 inch 854*480 Screen MTK6572 Dual core Android 4.2.2 WIFI GPS 2G\3G dual SIM card Mobile Smart Phone metal finish 3G/4G on AT&T, 2G on T-mobile, works with all GSM networks (Front White back Blue) &#x2022; Fully Compatible & Works with all GSM carriers like AT&T, T-MOBILE; Works 3G/4G on AT&T & 2G on Tmobile &#x2022; Huge 6.0 Inch screen with crystal clear display. CPU: MTK 6572 Dual Core, processor, 1.3GHz. Blazing speeds &#x2022; Wi-Fi, Bluetooth, GPS, Browser, Camera Front 0.3MP, Back 2.0MP &#x2022; RAM: 512MB; Nand Flash: 4GB Expandable to 32GB &#x2022; Most popular apps already installed including latest playstore. 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.