the correct firmware file from the Dahua Support Center . Copy the .bin file to a FAT32-formatted USB drive. Insert the drive into the XVR's USB port. Navigate : Main Menu > Maintain > Upgrade .
Upgrading the firmware on your Dahua WizSense XVR1B04-I ensures your surveillance system remains secure and gains the latest AI features like SMD Plus (Smart Motion Detection). Where to Find the Firmware To get the correct file, visit the official Dahua Product Page and navigate to the Latest Version Example: DH_XVR4x04-I-V2_MultiLang_V4.004.0000001.0.R.250821 (September 2025). xvr1b04hi firmware
Avoid third-party "driver download" websites. They often bundle malware or corrupted files. Use only official sources: the correct firmware file from the Dahua Support Center
Newer 4MP or 5MP CMOS sensors require updated encoding libraries. If you buy a new 4K TVI camera and your XVR shows "No Signal," a firmware update is often the solution. Navigate : Main Menu > Maintain > Upgrade
Open the device (or look at the bottom sticker). Find the PCB version or Mainboard version . It might look like: V1.0 , V2.0 , or DH-XVR1B04HI-4KL .