Howdy G, thanks for reaching out with your question about the Samsung Galaxy A16 5G. The advertised unlocked Galaxy A16 5G is the U.S. version of this device. It is compatible with the following wireless carriers: AT&T, Boost Mobile, Cricket, Google Fi, H2O Wireless, Metro by T-Mobile, Mint Mobile, Simple Mobile, T-Mobile, Ting Mobile, US Cellular, Verizon, and Visible. We recommend reaching out to a compatible carrier to inquire if this device would be functional while in Mexico. Feel free to contact Support if you think of any other questions you may have. Thanks for being a cherished Samsung customer. - Debra