To upgrade your DVR firmware, Installing an incorrect or incompatible firmware file will permanently break ("brick") your security recorder.
Because is a generic software version used by many white-label original equipment manufacturers (OEMs) from China (often based on Xiongmai/XM or Dahua boards), there is no single universal download link for this file. Dvr V2.82.r09.20625027 Firmware Upgrade
Use a smaller USB flash drive (16GB or less) and format it to FAT32 on your computer. To upgrade your DVR firmware, Installing an incorrect