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does anyone have any older firmwares for the DS-7316HUHI-K4 i have a DS-7316HUHI-K4 nvr and it was on firmware 4.20.002 build 210705, it kept rebooting so i downgraded the firmware and that seemed to fix it i didnt turn of auto update and it went back to 4.20.002 a few weeks later now i cant...