There is not much you can do to get it work. Samsung pay restrictions
connecting globalizes on their devices. You should return device back to
Austria and get new s20 from original location. That is where you
purchase S8. Other option just use s8 as ...
Possible, you'll need to go XDA forum.I recommend repurchase variant
support Samsung Pay. For example: bought S8 from Canadian variant. Just
purchase s20 variant in Canada.Changing csc code. You'll need to look in
processor type. Some runs in exynos ...