4G LTE bands 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 28(700), 4G LTE TDD: B41,3G WCDMA: B1/B2/B4/B5/B8, 2G GSM: B2/B3/B5/B8 - Dual SIM (Nano-SIM, dual stand-by) Check compatibility with your carrier before purchase.North and South American 4G LTE Compatible including AT&T, T-Mobile, MetroPCS, StraightTalk, etc. Does not work with Verizon/Sprint. International Model, Does NOT have US Warranty.