Go to Main Menu > Settings > System > Upgrade (this path varies slightly by brand).

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.

Search for the exact board model or the DVR's physical brand name online to find the exact .bin or .dav firmware file.

Access your DVR monitor interface and navigate to > System > Version . Note down the full serial number, build date, and hardware version.

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 .

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