Howdy Martin, thank you for asking us your question about the Samsung Galaxy S26 Ultra. The advertised unlocked Galaxy S26 Ultra is the U.S. version of this device. It 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 think of additional questions. Thanks for being a valued Samsung customer. - Debra