Place the downloaded firmware file directly onto the root folder of the USB drive (do not put it in a folder).
⚠️ Critical Warning: Never turn off the power or unplug the USB drive while the progress bar is loading. Doing so will destroy the unit. Dvr V2.82.r09.20625027 Firmware Upgrade
DVR / NVR - How to manually upgrade the firmware of your recorder Place the downloaded firmware file directly onto the
To upgrade your DVR firmware, Installing an incorrect or incompatible firmware file will permanently break ("brick") your security recorder. DVR / NVR - How to manually upgrade
Many of these generic boards utilize the Xiongmai Tech Support Portal or the Dahua Wiki Knowledge Base for system downloads. 🛠️ 3. How to Upgrade the Firmware
Use a smaller USB flash drive (16GB or less) and format it to FAT32 on your computer.
Select your file from the USB drive and click Start or Upgrade .