AT&T Unlocked. High Quality Certified USB and wall adapter. 120 Hz refresh. 5G: 1, 2, 3, 5, 7, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 70, 71, 77-A, 77-C, 78. 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71.