: Download directly from the Xiongmai Service Portal by looking up your hardware profile number.
Cause: The new firmware may have changed the internal cloud server routing or randomized your device's MAC address.
| | Likely Cause | Potential Solution | | :--- | :--- | :--- | | "Update Failed" Error | Firmware file is corrupted; the USB drive is not FAT32; version is incorrect. | Re-download the file and re-format the USB drive to FAT32. Double-check the version. | | Recorder Won't Boot | The power was interrupted during the update; or completely wrong firmware was installed. | Contact the manufacturer for recovery instructions. The device may be beyond repair. | | Cameras Show No Image | Settings were reset; or the firmware changed video encoding defaults. | Re-add your cameras manually. Check the video format (e.g., AHD, TVI, CVI) settings. | | Forgot Login Password | The update reset the password to default. | Check the sticker on the device for a default username and password (e.g., admin/blank). | V4.02.r11 H.264 H.265 Dvr Nvr Firmware Download
You must never download a random V4.02.r11 file. Instead, discover your unique 8-digit hardware token using one of two methods. Method A: The Software Interface (If the Unit Boots) Turn on your DVR/NVR and log in as the administrator. Right-click to pull up the Main Menu. Navigate to →right arrow Version .
Because V4.02.r11 is an Xmeye-platform firmware, the developer maintains a public update server. You can download directly via the DVR's network: : Download directly from the Xiongmai Service Portal
Recent releases of V4.02.R11 include patches for default-password vulnerabilities and Mirai-class Telnet threats.
Updating to this version provides several key benefits for your surveillance system: | Re-download the file and re-format the USB drive to FAT32
Software support for both analog BNC camera inputs (DVR functionality) and digital IP camera network streams (NVR functionality).
Yes, this is very risky. While Xiongmai is the OEM for many brands, a firmware built for another brand's specific hardware variant could have different drivers and "brick" your recorder.
: Look for the firmware version V4.02.r11 for your specific device model, supporting H.264 and H.265.