On this page you can vote that you have the same problem.https://us.community.samsung.com/t5/Galaxy-Watch/Wallet-not-working-after-One-UI-6-update-on-galaxy-watch-ultra/td-p/3128669
I did a full reset of the watch. Added payment cards again. The problem is still there. Here are the links:https://r2.community.samsung.com/t5/Wearables/Solution-Wallet-not-working-after-One-UI-6-update-on-galaxy/td-p/19161310https://us.community.sam...
I wonder if Samsung has acknowledged the problem? I contacted support. They wrote to me that I need to send them the error log. But there is no error. The screen just turns off when I try to pay. However, if I pay with my smartphone, the payment work...