HTC One Sv Black C525e (Factory Unlocked) S4 Dual-core 1.2ghz , 4.3-inch , 8gb Specail Gift for Special One Fast Shipping Operating System: Android Network : 3G(H) for GSM 850/900/1800/1900 MHz For GSM Carrier Only , accept Micro SIM card like T-Mobile , ATT.... (not for CDMA carrier Like Verizon , Sprint, MetroPCS, PagePlus...Please check with your carrier before Storage Capacity: 8GB (available memory to use less due Pre-installed software and Apps) , Expansion SD card slot supports microTM SD memory card for additional storage (card not included). box include : Phone , charger ,cable ,headset and manual papers.