Technology
GSM / CDMA / HSPA / EVDO / LTE
2G
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - XT1687 (USA)
4G
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 25(1900), 26(850), 38(2600), 41(2500), 66(1700/2100) - XT1687 (USA)
Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps