A:Answer Hello HectorR, thank you for finding the time out of your day to ask us your question about the Samsung Galaxy S24 Ultra. The advertised unlocked Galaxy S24 Ultra is compatible with the following U.S. 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 networks. If you would like any further assistance, feel free to contact us at your leisure. Thanks for choosing Samsung. - Debra