Ensure the firmware file you download matches your device’s Hardware Version.
The V4.02.r11 build is a popular firmware version designed for DVRs and NVRs, primarily utilizing the platform architecture. This firmware is known for enabling or improving H.265 video compression capabilities. Key Benefits of Updating to V4.02.r11
Xiongmai-based systems feature a unique system version string. A typical information string looks like this: V4.02.R11.00031095.12001
Enter the unique 8-digit or 16-digit hardware ID string discovered in Step 1 into their upgrade database search bar. 2. Automated Cloud Upgrade (OTA) If your NVR/DVR is safely connected to a WAN interface: Go to the menu. Click Cloud Upgrade or Check for Updates . V4.02.r11 H.264 H.265 Dvr Nvr Firmware Download
Before downloading, it is critical to verify your device's specific Version ID to avoid bricking the unit. Menu Navigation : Log in to your recorder and go to [System Info] > [Version] Reading the ID : Look for a string similar to V4.02.R11.XXXXXXXX.XXXXX Key Digits : The middle 8 digits (e.g., ) identify the hardware platform and vendor. The first three digits often represent the is General/Neutral). The last three digits represent the Hardware Platform
: A factory reset will erase your settings. Be prepared to reconfigure your network, recording schedules, motion detection, and other preferences.
It ensures compatibility for both H.264 and the more efficient H.265 video standards. Ensure the firmware file you download matches your
Navigate to > Advanced > Version (or System > Info > Version ). Take a photo or note down the following parameters:
Click and locate the downloaded V4.02.r11 file stored on your PC hard drive.
Extract the middle (e.g., 00031095 ). The first three digits specify the vendor layout (000 is General) and the last three digits specify your precise hardware platform code. 2. Locate Your Correct Xiongmai Firmware Binary Key Benefits of Updating to V4
(e.g., V4.02.R11.00031120.12001.130000.00000 )
Symptom: After updating, the screen is black, or the video shows a purple or green tint. Cause: The new firmware changed the default video decoding settings, or the cameras cannot negotiate with the new software. Solution:
: Stands for Digital Video Recorder and Network Video Recorder. This firmware is designed for both types of recorders.