nfxbit

I've got a DVR for CCTV cameras. It's no name, no brand. It works, but I cannot connect to DVR over network. I've tried on PC in web browser, and with smarphone app N_eye. Maybe a firmware update can fix this connection problem. But I don't know which firmware flash to this dvr. It came in this box: https://ibb.co/kEdhVe The "model" on the box: https://ibb.co/d7ACVe Print on the board: https://ibb.co/iDCnwK System info: https://ibb.co/fk6fGK Telnet - cat /etc/version: https://ibb.co/cXR5GK