Hikvision 5.2.5 NAS Patch

Jan 31, 2016
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I've been researching this problem for two weeks on this and other forums and could sure use some help.

I am running V5.1.2 build 140116 (patched to fix the "uninitialized" problem) on four Hikvision cameras and have been successfully writing video to a 4TB WD My Cloud NAS (SMB/CIFS) for a couple of years now.

I just bought three more cameras and they contain V5.2.5 build 141201, and I can't figure out how to modify them to work with the WD NAS (to combat the "uninitialized" problem).

I bricked one by TFTP'ing 5.1.2 to it and don't want to try that again. Best as I can tell from reading, you can't downgrade these but if you know a way, I've been happy with 5.1.2. Otherwise, can they be upgraded to 5.3? Would it be easier to patch than 5.2.5?

I downloaded the patched 5.2.5 davinci.tar.gz from another site and can't figure out how to install it in the camera. I can telnet into the camera (putty), but the 5.2.5 firmware doesn't have ftpput or ftpget, and I have been unable to FTP into the camera even after successfully doing a "setFtpService start".

If anyone has patched firmware (digicap.dav) that'll work with this camera, I'd appreciate a link. If not, or there isn't a practical way to patch the firmware on these new Hikvisions, I'm open to recommendations on a new NAS that will work with Hikvisions. Thanks in advance.
 
I downloaded the patched 5.2.5 davinci.tar.gz from another site and can't figure out how to install it in the camera.
Suggestion: add a suitable / unused by other cameras share to the NetHDD in the web GUI storage menus and test it works OK. You don't need to initialise it.
At the telnet prompt, use 'mount' to inspect the path the share was mounted to.
Lets say it was '/mnt/tnfs00'
At the telnet prompt, use 'cd /mnt/tnfs00' to reach the top level share folder on the NAS.
At this point you can simply 'cp' files back and forth between the camera and the NAS.
 
Well done!
I downloaded the patched 5.2.5 davinci.tar.gz from another site
Does this mean your 5.2.5 cameras can now 'format' a NAS share volume larger than the 200GB or so limit that the native firmware is limited to?
It may be useful for others to know the link and how you installed it, it's a topic that comes up sometimes.