International Model, Does not have US Warranty.This device does not support E-SIM. This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, compatible with T-Mobile and their MVNO's (Metro and Standup) amd Verizon with an active SIM .New activations are only supported on T-Mobile in the U.S., as most carriers may not recognize International IMEI's as compatible. (No U.S. manufacturer warranty; Seller return policy applies.)