To update/change/reset the password to your Samsung account, please visit https://account.samsung.com/accounts/v1/samsung_com_us/resetPassword and do the following:

1. Enter your email address and continue.
2. Verify the email address for the account for which you'd like to change the password.
3. You should receive an email with instructions to reset your password. Click on the specified link to reset your password.
4. In the browser window that opens up, add and confirm your new password, and continue.
5. Follow the prompts in the browser until you receive notice that your password has been successfully reset. You will also receive an email confirming successful reset.