Once you have the correct file, follow these steps to upgrade your device:
To ensure you download a compatible file, you must find your device's unique :
Installing mismatched firmware can permanently brick your surveillance recorder. Before attempting a download, you must extract your device’s exact hardware profile. v402r11 h264 h265 dvr nvr firmware download work
Navigate to > Advanced > Upgrade (or System > Maintain > Upgrade ).
: Modify the default HTTP, RTSP, and server ports to prevent automated internet scanners from locating your device. Once you have the correct file, follow these
If you are unsure whether your specific mainboard supports this update, please let me know:
Once downloaded (and assuming the file is clean and compatible), the installation process via a USB thumb drive is relatively standard. The system reboots, flashes the progress bar, and reboots again. : Modify the default HTTP, RTSP, and server
If your device is stuck in a boot loop, you must force-flash the firmware over a local network using a TFTP (Trivial File Transfer Protocol) server.
Once you have a firmware file that matches your device's hardware, follow these general steps. Most recorders offer two common update methods:
For a download to actually , you need three matching pieces:
Several blogs and resource centers host compiled lists of these firmware files: