Hi @EMPIRETECANDY,
I wish I had of found this forum before I tried to update my NVR, I have bricked it and hoping you can help me unbrick it.
I have NVR5208-8P-4KS2 (I think it's V1)
I can access it with tftp64 & PuTTy, I have managed to get the logo back on boot to show as this disappeared...