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

Select your file from the USB drive and click Start or Upgrade .

Once you have retrieved the correct file from the official source, follow these steps to execute the upgrade:

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

Use a smaller USB flash drive (16GB or less) and format it to FAT32 on your computer.