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Hi all. I have been researching this topic heavily but I am running into errors. I found multiple firmware files but every time I try to upgrade it the DVR says it failed to upgrade. I think the DVR doesn't recognize the firmware and is blocking it. Upon opening the device I found it has a Dahua...

Guys I have no idea what image eq is. I looked it up and the only documentary says it is some kind of image enhancement. Depending on what it's set to, the camera footage can be completely fine or over saturated and horrible quality. It also has some type of auto selection button and lock...