FIGO Atrium 5.5 - Dual Micro SIM Unlocked 16GB Smartphone - US & International GSM 4G LTE (Black) - US warranty Technology: 4G LTE Built-in Storage: 16GB Operating System: Android 5.1 Lollipop Part Number: ATRIUM 5.5 BLACK Mobile Frequencies: 2G 850 / 900 / 1800 / 1900 MHz 3G 850 / 1900AWS / 1700 - 2100 MHz LTE B2 / 4 / 5 / 7 / 12 / 17 Data transfer: GPRS, EDGE, HSDPA, LTE, Wi-Fi Form Factor: Smart Phones Dual SIM: Yes |