Signinsamsungcomkey [updated] -

This is the most common hurdle. Activation keys are and often expire after 5 to 10 minutes. If you take too long to navigate to the website, the key will no longer work.

Samsung introduced hardware security key support (FIDO2/WebAuthn) to combat phishing. Passwords can be stolen, SMS codes can be SIM-swapped, but a physical key cannot be remotely hacked. signinsamsungcomkey

If you can’t receive codes (lost phone, changed number/email) or can’t access your account after trying the steps above. This is the most common hurdle

In that moment, the house stopped being a collection of glass and steel and started feeling like SMS codes can be SIM-swapped