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    Hikvision - Clearing Passwords and/or Loading Firmware via TTL Serial

    Let me just tell you that you are amazing! I've started to quote and reply to your answer line by line, and everything you've written down has worked! First, the copy via tftp worked and I got the .bin file, although I didn't know what to do with it. And then I've tried your bootargs change...
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    Hikvision - Clearing Passwords and/or Loading Firmware via TTL Serial

    Sorry for being rather short yesterday, I was a bit tired and stressed out at the end of the day about not being able to solve the issue at the proverbial "finish line". My device is a TechSon TC-DVR SS3004AHD - this is a Hungarian brand that knocks off Chinese brands, so I'm not surprised that...
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    Hikvision - Clearing Passwords and/or Loading Firmware via TTL Serial

    Hey guys, I have a similar situation to the others before me, I got a DVR with a password protection, and I'd like to reset it. I've managed to connect to the TTL serial, so I can see the console and write to it, however, if I interrupt it at boot, it will just give me the basic commands like...
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