Samsung Express 3 J120a 4G LTE Unlocked GSM (White) 4G LTE Unlocked Any GSM Carrier Desbloqueados GSM (Phone Does NOT Work on For Verizon Sprint Net10 or Any CDMA Carrier) 1 Nano SIM GSM/GPRS/EDGE 850/900/1800/1900MHz; 3G - UMTS 850/1900/2100Mhz; 4G-LTE Bands : 1, 2, 3, 4, 5, 7, and 12; 4G HSPA+ HSPA+ with enhanced backhaul; 1.3 ghz Quad Core processor Android 6.0 / 4G LTE USA LATIN & CARRIBEAN BANDS 4.5" Super AMOLED screen microSD card slot supports up to 32GB (card sold separately)