BLU Dash J Unlocked Phone - Retail Packaging - Black Unlocked Dual Sim Smartphone, Android v4.4 KitKat 4.0" Display (480x800): 2MP Main Camera and VGA Front Camera 512MB Internal Memory 256 MB RAM with Micro SD Slot up to 32GB MediaTek Dual-core1.3 GHz Processor with ARM Mali 400 GPU GSM Quad band 2G (850/900/1800/1900): compatibility Nationwide on T-Mobile, Straight Talk, Simple Mobile, or any other carrier that accepts a 2G GSM Sim Card. Will NOT work with 3G only providers like ATT nor any CDMA Carriers (Verizon, Sprint, Boost, PagePlus)