Plug the USB drive into an available USB port on your security recorder.
Select your file from the USB drive and click Start or Upgrade .
DVR / NVR - How to manually upgrade the firmware of your recorder
Use a smaller USB flash drive (16GB or less) and format it to FAT32 on your computer.
The steps below will guide you on how to safely locate and apply the correct text or file for your upgrade: 🔍 1. Locate the Exact Hardware Model
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.