Some sites compile links for various DVRs based on the hardware version (e.g., V4.02.R11), which can be helpful if your device is unbranded but uses Dahua-compatible hardware. Updating the Firmware
Check the sticker on the bottom of the device or the System Info > Version menu in your DVR settings. Download Firmware DVR 8CH DHUA 16MB rar
Log into the DVR’s IP address through a browser and navigate to Maintenance > Manager > Update . Important Safety Tips Some sites compile links for various DVRs based
Never unplug the DVR during the update process. It will reboot automatically once finished. Download Firmware DVR 8CH DHUA 16MB rar