Hi Gigiagi, thank you for taking the opportunity to ask us your question about the Samsung Galaxy S26 Ultra. The advertised unlocked Galaxy S26 Ultra is the U.S. version of this device which is compatible with the following U.S. wireless carriers: AT&T, Boost Mobile, Cricket, Google Fi, H2O Wireless, Mint Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, Verizon, and Visible. Please feel free to contact Support if you have any other questions for us. Thank you for being an integral part of the Samsung community. - Debra