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Copy the file directly to the root directory of your formatted USB flash drive. Do not place it inside a folder.
Firmware is the software that controls the operation of your DVR/NVR system. Like any software, it can be updated to add new features, improve performance, and fix bugs. Regular firmware updates are crucial for maintaining the security and functionality of your device. Manufacturers release updates to address vulnerabilities, enhance compatibility with new devices or software, and sometimes add new functionalities to the system.
What is displayed in your system info menu?
Download the firmware file (usually .bin or .update format) and place it on the root directory of the USB drive. Initiate Update: Insert the USB drive into your DVR/NVR.
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Check your current firmware version in the system menu: . Record the 8‑digit number and cross‑reference it with the tables above.
What is the printed on the sticker underneath your DVR/NVR?
The firmware is a legacy update for HiSilicon-based XMeye DVRs. While it offers H.265 compatibility for older boards, the risk of bricking is high if the exact hardware version is not matched. Always search for the exact string printed in your System Info menu rather than just "v402r11" to ensure the file matches your specific mainboard revision.
: Regular updates often include patches for security vulnerabilities, ensuring your system and data remain protected.
The standout feature of this firmware update is improved support for . By upgrading to V402R11, many users report:
Smoother remote viewing on mobile apps (like XMeye or iCSee) even on slower 4G/LTE connections. 2. Enhanced Security Protocols
This is a common sign of a firmware crash. A re-flash of the V4.02.R11 firmware using the USB method often fixes this.
If you're unable to find the firmware on the manufacturer's website or need assistance, you can:
4, 8, 16, and 32-channel units, ranging from 960H and 1080p AHD to 5MP DVRs and 4MP NVRs. How to Find Your Specific Version