Insert the USB into the DVR/NVR. Go to Main Menu > Setting > System > Upgrade .
: Some specialized updates, such as STQC certified firmware for NVRs, may be found through authorized partners like 360 Securities How to Update Your Firmware There are generally two ways to update your device: USB Method (Offline) Find your model on the official Firmware Page and download the PAK file. cp plus firmware update download link
CP Plus Firmware Update: How to Download and Install Keeping your CP Plus security system updated is the single most important step in maintaining high-end security and ensuring your hardware remains compatible with new mobile apps. Firmware updates often include critical security patches, bug fixes, and performance enhancements that prevent hacking and system crashes. Insert the USB into the DVR/NVR
Official firmware is generally not hosted as public direct-download links due to model-specific requirements. CP Plus Firmware Update: How to Download and