CP Plus CP-UNR-4K2161-V2 is a 16-channel Network Video Recorder (NVR) part of the brand's Orange series. Because firmware files are often hardware-revision specific, manufacturers typically do not provide direct, permanent download links for them. Instead, you must access them through official support channels or management tools. Where to Access Firmware & Software
Ensure that you have correctly identified your device or component model. Downloading firmware for a different model could lead to compatibility issues or even render your device inoperable. cpunr4k2161v2 firmware download link