A:AnswerHowdy Jk, thanks 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 and it is compatible with the following wireless carriers: AT&T, Boost Mobile, Cricket, Google Fi, H2O Wireless, Mint Mobile, Sprint, T-Mobile, Ultra Mobile, US Cellular, Verizon, and Visible. This device works well with the following networks: 2G GSM - GSM850, GSM900, DCS1800, PCS1900; 3G UMTS - B1(2100), B2(1900), B4(AWS), B5(850), B8(900); 4G FDD LTE - B1(2100), B2(1900), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B13(700), B14(700), B18(800), B19(800), B20(800), B25(1900), B26(850), B28(700), B29(700), B30(2300), B66(AWS-3), B71(600); 4G TDD LTE - B38(2600), B39(1900), B40(2300), B41(2500), B48(3600); 5G FDD Sub6 - N1(2100), N2(1900), N3(1800), N5(850), N7(2600), N8(900), N12(700), N20(800), N25(1900), N28(700), N66(AWS-3), N71(600); 5G TDD Sub6 - N38(2600), N41(2500), N77(3700), N78(3500); 5G TDD mmWave - N257(28GHz), N258(26GHz), N260(39GHz), N261(28GHz). Please feel free to contact a compatible carrier to inquire about international services that they may render. If you would like further assistance afterward, please contact Support. We're always happy to help! Thank you for being a steadfast Samsung customer. - Debra