ZTE Nubia Z5S Mini LTE NX405H 16GB Unlocked GSM Quad-Core Phone -White/Black Two high performance cameras, 13MP rear and 5 MP front, with DSLR like fidelity to best highlight your life experiences Sharp IGZO 4.7in HD (720x1280) display for greater clarity, longer battery life, and improved sensitivity Micro SIM compatible - operates at 4G-LTE band2/4/5/17, 3G HSPA+ UMTS 850/AWS/1900/2100, 2G-GSM 850/900/1800/1900 2GB RAM and 16GB ROM, expandable memory up to 32 GB (via MMC) and 2000 mAh li-ion battery 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.