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I have bought a NVR the DHI-NVR2104-I , i believe last year from Aliexpress . Which all worked fine with AI etc etc. Now i saw there was an update and updated the firmware. But now all the four camera feeds give a green screen..... I guess i am screwed and there has been a region update??? I...

I see more and more the 3132's with an ugly IR plate. I thought I have read that those were the new one? But how to reconize with modelnumber? Because is see 3132f and 3132i but all with different pics.

I could not find the answer. But what is the difference between these two?