A firmware update was recently released for the NVR6XX-4KS2 series devices.
Information, instructions, and download links can be found Here
File:webupgrade wiki 10.png
From Dahua Wiki
Original file (888 × 512 pixels, file size: 19 KB, MIME type: image/png)
Click on a date/time to view the file as it appeared at that time.
|current||22:17, 2 August 2016||888 × 512 (19 KB)||Mark Navarro|
- You cannot overwrite this file.