Login issue

[simecky]

Hello,

I am upgraded HW 3.7 from most probably SW 1.24 to newest SW 1.47. Imidietly after upgrade I was able login in, when I needed login again , I have on top bar red info "Bad response" and for my user it tell "Invalid username and password combination."... so I am tried downgrade 1.46 (network upgrade tool password accepted), situation is now same, firstime login was succes  after downgrade to 1.46, later login same issue.  Restart doesn't help, only I am able login once after firware replace.

Any idea why?

Thanks

[stAch]

force restore factory settings hold reset until >5s the relay clicks and login by deflaut
use LKTool by search ip device
admin admin
user user