Samsung Galaxy Note 4 N910A 32GB 4G LTE Black AT&T Unlocked GSM Phone 5.7 3GB RAM Technology: 4G LTE Built-in Storage: 32GB Operating System: Android v4.4.4 (KitKat) Part Number: N910A 32GB BLK RB Mobile Frequencies: 2G: 850 / 900 / 1800 / 1900 3G: B1 / B2 / B4 4G: LTE B2 / B4 / B5 / B12 / B17 Data transfer: GPRS, EDGE, HSDPA, LTE, Wi-Fi Form Factor: Bar Phones SIM Card Type: Micro SIM |