I’ve got an STH-ETH-200 that I had used for a few years, but then stopped using (though it’s been running this whole time). I even had an account online, but can’t login anymore and the login and password didn’t seem to be recognized, so just logged in with Google.
I can provide screenshot with serial number to get the code.
You need to reach out to ST Support directly. It appears ST staff have not been active on the forum for the past three weeks. If you can login to the app, tap on Menu and select Contact us.
Are you able to login at https://account.samsung.com? if you can login. there… try Advanced Web App to see if you hub shows online. If it does, you don’t need a Welcome Code. If you still can’t login, to should work with Support to figure out why?
By a few years - can you clarify - one year, two years, 5 years?
if in US, you can reach out to to Customer Support at the following: