|Link for downloading DVR/NVR firmware|
Link for downloading DVR/NVR firmware
Take above Version ID as an example, Version ID is V4.02.R11.00000075.12001.0000
According to this 8 numbers 00000075, the NVR Board NO. NBD6508H-PL ,you can find the accordingly firmware in below sheet.
Link for firmware: http://pan.sohu.net/f/MTY3NTcsaGRpcWk.htm
Please click on above link to download latest version firmware.
P.S.: You can check if it is latest version firmware based on publish date. Above link is under Sohu network HDD, It doesn ’ t support to download by the third party software, Only available for local common download.