Downloading the wrong firmware can "brick" your device (render it unusable). You must match the embedded in your current version string. Log in to your DVR/NVR. Navigate to [System Info] > [Version] .
Below are reputable sources for finding and downloading V4.02.R11 firmware files:
Once you have downloaded the correct .bin or .upgrade file, follow these steps to install it: V4.02.R11 H.264 H.265 DVR NVR Firmware Download
The (e.g., 00031095 ) are your unique hardware identifier.
If your device is corrupted and won't boot, you may need to open the case and look for a directly on the motherboard. Download Resources for V4.02.R11
: Specifically hosts firmware for HiSilicon chipsets (Hi3520, Hi3521, Hi3535, etc.) used in generic recorders.
: Improved handling of H.264 and H.265 codecs to save storage space.
: Offers categorized firmware lists for 4, 8, 16, and 32-channel recorders.
: Maintains a frequently updated database for H.264 and H.265 compatible systems. Installation Steps
: Fixes mobile app connection problems and Wi-Fi stability. How to Identify Your Correct Firmware Version
Downloading the wrong firmware can "brick" your device (render it unusable). You must match the embedded in your current version string. Log in to your DVR/NVR. Navigate to [System Info] > [Version] .
Below are reputable sources for finding and downloading V4.02.R11 firmware files:
Once you have downloaded the correct .bin or .upgrade file, follow these steps to install it: V4.02.R11 H.264 H.265 DVR NVR Firmware Download
The (e.g., 00031095 ) are your unique hardware identifier.
If your device is corrupted and won't boot, you may need to open the case and look for a directly on the motherboard. Download Resources for V4.02.R11
: Specifically hosts firmware for HiSilicon chipsets (Hi3520, Hi3521, Hi3535, etc.) used in generic recorders.
: Improved handling of H.264 and H.265 codecs to save storage space.
: Offers categorized firmware lists for 4, 8, 16, and 32-channel recorders.
: Maintains a frequently updated database for H.264 and H.265 compatible systems. Installation Steps
: Fixes mobile app connection problems and Wi-Fi stability. How to Identify Your Correct Firmware Version