Zyxel P660HW-D1 Router "hard reset password backdoor" Questions

...hard reset is successful ..... Once you reset the router Step two enter the backdoor username and password.... Simple ........If this does not work .......then hard reset was not successful or you ...

...hard reset is successful ..... Once you reset the router Step two enter the backdoor username and password.... Simple ........If this does not work .......then hard reset was not successful or you ...