BLU Advance 4.0 L2 - US GSM Unlocked - Pink Unlocked Dual SIM smartphone, Android 6.0 marshmallow 4.0" LCD Capacitive touchscreen, 3.2MP Main Camera + VGA Front Camera MediaTek Dual Core 1.3 GHz Processor with Mali-400 GPU, 4GB Internal storage 512MB RAM with Micro SD slot up to 64GB GSM Quad band 3G HSPA+ (850/1700/1900): US compatibility Nationwide on all GSM Networks including AT&T, T-Mobile, Cricket, Straight Talk, Pure Talk USA, and others