Muito rápido o suporte deles:
Here is the reset password to your QT series dvr:
username: admin
reset password: 6036huanyuan (if it does not work please try ttvvtthuanyuan)
select enter
select login
(if you get a password error please unplug your dvr, wait 30 seconds, then plug back in and retry)
your DVR will reboot automatically, and set the password to default
username: admin
password: 123456
select enter
select login
Answer Title: How to activate and change passwords for the QT 4/5 series
Answer Link: http://qsee.custhelp.com/app/answers/detail/a_id/392
Por favor teste e veja se consegue resetar.
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