Hi I've had the same problem and sorted it out. Log into you samsung account via comp or any device. Go to security. Then add a secondary security to the account which will be a code. Once this is complete when you go to log in to your samsung account on your phone. If your phone locks you out using the password still it will then automatically use the secondary security. Samsung will automatically tect you a code your phone will sync with this code opening your samsung account. That worked for me anyway so good luck.
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