nope! if it's not too late go to settings> accounts> Samsung> and then tap on the email address associated with the account. the next screen tap the 3 spots in the upper right corner and one option will be to sync, and the other to remove the account. tap remove account and it will have you confirm. after creating a NEW Samsung account you can remember the password to, simply go back to settings> accounts> +add account> Samsung account and register your new email and password to your device