Select your file from the USB drive and click Start or Upgrade .
Use a smaller USB flash drive (16GB or less) and format it to FAT32 on your computer. Dvr V2.82.r09.20625027 Firmware 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 Select your file from the USB drive and