SOLVED: So for my case where the web portal always reported incorrect password for admin! even after I did a reset (pushed reset button for 10s) I was able to solve it by actually holding down for 10s I counted out 10s then let go last time. I saw ...
I just did a factory reset of my modem as I has the same issue with not being able to log in.I did the same thing at my sisters and for her the default password was __NOT__ "password" but the default wifi pass phrase printed on the button of her mode...
