Download the firmware archive and extract it. Locate the .bin or .dav file (e.g., digicap.dav or update.bin ). Copy this file directly to the root directory of the USB drive. Do not place it inside folders.
| Device Type | Model Series | Download Link | | :--- | :--- | :--- | | | XVR-5xxx, DVR-4xxx | Download v402r11 DVR Firmware | | H.264/H.265 NVR | NVR-6xxx, NVR-8xxx (PoE) | Download v402r11 NVR Firmware | | Universal (Both) | Hybrid 2U/3U Chassis | Download v402r11 Universal |
Navigate to > Maintain > Upgrade (exact menu naming varies by OEM layout).
Open your computer's disk utility tool and format the USB drive strictly to the file system. (NTFS or exFAT file systems may fail to read in the recorder's boot environment). Phase 2: Storing the Firmware File Download the verified V402R11 firmware file package. v402r11 h264 h265 dvr nvr firmware download exclusive
Before attempting a firmware flash, you must verify that your exact hardware model supports the V402R11 baseline. Installing mismatched firmware can permanently brick your device. Device Type Channel Capacity Supported Video Inputs Primary OEM Chipset 4-Ch / 8-Ch / 16-Ch TVI, AHD, CVI, CVBS, IP HiSilicon / Novatek Network NVR 8-Ch / 16-Ch / 32-Ch Pure IP Cameras (ONVIF) HiSilicon / ARM Cortex How to Check Your Current Firmware Version
Copy this binary file directly to the of your formatted USB drive. Do not place it inside any folders. Phase 3: Executing the Local Upgrade Safely eject the USB flash drive from your computer.
The local monitor interface receives a modern cosmetic overhaul, reducing menu navigation lag. Furthermore, multi-channel synchronous playback is highly optimized, allowing users to scroll through H.265 recorded footage smoothly without dropped frames or stuttering. Step-by-Step V402R11 Firmware Installation Guide Download the firmware archive and extract it
: Hisilicon-based SoCs like Hi3520A, Hi3520D, Hi3521, Hi3521A, Hi3531, Hi3535, and Hi3536 .
: Provides an extensive list of V4.02.R11 firmware categorized by hardware model (e.g., BLK5008A-S).
Review the proper methods for configuration files prior to the upgrade. Share public link Do not place it inside folders
A: Use the XM Eye App to check your firmware version and see if the "General_HZ" or "General_3520" labels match the available downloads.
The first three digits typically indicate the vendor (e.g., 000 for General). The last three digits represent the platform version. Where to Download