https://us.community.samsung.com/t5/Samsung-Apps-and-Services/Password-not-working-for-email/m-p/2068284#M49655 You need to try and try to reset it once they won't let you anymore if you can't accomplish that then send some will verify that you do belong to that email address takes about a week 5 days or so it happened to me with Google and I was able to retrieve my Google account after little less than a week Mon, 01 Nov 2021 00:49:07 GMT maxnuckles 2021-11-01T00:49:07Z