Yes, with a Samsung Galaxy S25 Ultra you can make contactless payments in Switzerland with Samsung Wallet, even if Samsung Pay is not explicitly mentioned in the specifications. Samsung Wallet integrates the functions of Samsung Pay so that you can add your cards digitally and make contactless payments. Activation takes place via the Samsung Wallet app, which uses NFC for payments and is secured by fingerprint or PIN. Samsung Pay is supported by many banks in Switzerland and works at almost all payment terminals that enable contactless payments.