Dual Nano SIM Card & 4G LTE Network
Supports 2 Nano cards or 1 Nano card + 1 Micro SD card.
It is convenient for the person often travel abroad or wish to separate work from private life.
Not Support CDMA like Verizon, Sprint, Boost Mobile, US Cellular Carriers and Contract card!
Support like AT&T, Cricket, Straight Talk, T-Mobile, MetroPCS Carriers etc.
2G GSM: B2 (1900), B3 (1800), B5 (850), B8 (900)
3G WCDMA: B2 (1900), B4 (1700), B5 (850), B8 (900) ;
4G FDD-LTE: B2(1900), B4(1700), B5(850),B7(2700), B12(700ab), B17(700),B41(2600),B66