Hey, wanted to let you know that I have merged your post with another existing issue. Have you tried the troubleshooting provided in the thread?
My samsung accound
@userZwHGZVSOjU wrote:My samsung accound
Anyone knows how to resolve w/o use of biometrics. I don't use that. I cant back up phone w. both Google and Samsung. Followed all the tips. Keep getting Unable to auth your Samsung account.