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How to upgrade IPC-HFW2531T-ZAS
Hi, I have 4x IPC-HFW2531T-ZAS cameras connected to a Dahua recorder (NVR4208-8P-4KS2). One camera has 2.460.0000.15.R. 2017-09-07 and the rest have 2.622.0000000.18.R. 2017-11-10, I'd like to upgrade all to latest available FW. I downloaded...