I try to log in on my DH81NK1T SANNCE DVR SYSTEM BUT CANNOT
Unfortunately, I cannot support third-party hardware and do not have the steps to unlock your recorder. I suggest contacting SANNCE (http://www.sanncegroup.com/contact-us).
Best of Luck - Jose
Jose Malave - IT Director| Toll Free: 866-573-8878 | E-mail: firstname.lastname@example.org