hi,
i have the same problem. After upgrade the DVR will not load, just freeze on logo-screen.
the DVR is chineese unknown, on sticker write "Model: AHD-6008NH-V2", on motherboard write "08NH".
i found this firmware for "08NH" http://www.flktech.net/en/download.asp?tid=3 but i can't reflash the DVR.
DVR freeze on logo-screen, but have ping-response, and have only 2 ports open: 9527 and 9530, but i can't connect via telnet....
Can someone help me? How I can reflash the DVR?