Aloha GRIMM, thanks for taking the time to ask us your question about the Samsung Galaxy S24 Ultra. The advertised unlocked Galaxy S24 Ultra is the U.S. version of this device. It is unlocked and compatible with the following 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. If you have any other questions for us, feel free to reach out to Support. Let us know if you have any other questions for us by contacting Support at your earliest convenience. Thanks for being a valued Samsung customer. - Debra