The Dahua XVR1B04H-I Go to product viewer dialog for this item.

To provide the exact firmware version or release notes, could you tell me: What is your current firmware version (found under Maintain > System Info)? like Face Detection or a fix for a technical bug is your device from (e.g., International, US, India)? Template:Update Firmware Cloud MobileUI DMSS - DahuaWiki 29 Jan 2020 —

Firmware versions prior to V4.000.0000000.1.R.20210320 have a memory leak in the H.265 decoder when using SmartPSS or CMS, causing the DVR to freeze after 5–7 days of continuous recording.

Select the file from the USB and click . The system will reboot automatically once finished. Method 2: Via Web Browser or ConfigTool Connect your PC to the same network as the XVR.

Always ensure the firmware version matches the specific hardware revision of the XVR1B04H to avoid "bricking" the device.

: If a new version is detected, tap Update to start the process remotely. 🚀 Key Features Post-Update

What is the listed on your device?

: The device uses an internal processor to distinguish human and vehicle shapes from blowing leaves or rain. Updating the firmware optimizes these algorithms, lowering your false alarm rate by up to 90%.

Supports up to 4 analog channels (HDCVI, AHD, TVI, CVBS) auto-detected via its BNC ports, plus an optional extension for up to 6 IP channels running at a combined 32 Mbps.

The is a 4-channel Digital Video Recorder (DVR) from Dahua's Cooper Series, and its firmware is central to its "WizSense" AI capabilities. Key Features of the Firmware

Insert the USB drive into one of the USB ports on the XVR1B04-I. Log into the DVR using your admin credentials. Navigate to > System > Upgrade .

Wait for the progress bar to finish. The device will reboot automatically. Method 2: Remote Update via Web Browser

: Provides 4-channel secondary filtering for humans and motor vehicles. This feature significantly reduces false alarms caused by environmental factors like rain, falling leaves, or lighting changes.