For USA Buyers : This Smartphone is compatible/will work with any GSM Networks such as AT&T, T-Mobile. For exact 2G GSM, 3G, 4G/LTE compatibility, please check with your network provider in advance prior to your purchase. This phone WILL NOT WORK with any CDMA Networks such as VERIZON, SPRINT, US CELLULAR.
Dual-SIM (Nano-SIM), Network Compatibility : SIM CARD 1 [ 2G GSM 850 / 900 / 1800 / 1900 and/or 3G 900(B8) / 900(B8) / 2100(B1) and/or 4G LTE 850(B5) / 900(B9) / 1800(B3) / 1900(B39) / 2100(B1) / 2300(B40) / 2500(B41) / 2600(B38) ] and/or SIM CARD 2 [ 2G GSM 850 / 900 / 1800 / 1900 ]