Salutations Alejandro, thanks for taking the opportunity to ask us your question about the Samsung Galaxy S24 Ultra. The advertised unlocked (U.S Version) of the Galaxy S24 Ultra is compatible with the following U.S. wireless carriers: AT&T, Boost Mobile, Cricket, H2O Wireless, Metro by T-Mobile, Mint Mobile, Simple Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, Verizon, and Google Fi. This device works well on the 5G, 4G, 4G LTE, and GSM wireless networks. We suggest reaching out to the carrier of your choosing, from the list above, to inquire if this device would be functional in Mexico. Let us know if you think of any other questions for us by reaching out to Support. Thank you for being a dedicated Samsung customer. - Debra