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Do you think the following would work - https://ipcamtalk.com/threads/hikvision-clearing-passwords-and-or-loading-firmware-via-ttl-serial.28049/

Hi All, I can confirm the firmware I had previously that working was V4.51.006 build210708. To be honest I have upgraded the firmware on the nvr a number of times previously but never followed the route of applying all the pervious firmware updates until I reach the latest. I have had a look...

Hi, I would be grate full if any once can let me know the steps to down grade my HIK vision nvr - DS-7608NI-I2/8P firmware. Last week I update the firmware to Firmware_V4.61.025_220905. Following this the the NVR rebooted is in a constant reboot cycle of around 30 seconds. I have read, that this...