A few years back I won a DS-7601NI-E1/4P (label on packaging had wrong model#) and a DS-2CD2432F-IW at Goodwill auction site for less than what I spend on cigarettes a week. Had no problems with the NVR (still @ v3.4.9) but had to hunt for firmware for the camera before I got it working. Today...
Over the years I've found search result links to this site that has helped in the past. Today I've spent a lot of time here trying to resolve an issue with no luck. I figure it's about time I sign up. Subsequent questions will be forthcoming.