: Use a USB drive (4GB–32GB) formatted to FAT32 .
You can update the firmware using a physical USB drive or remotely via a web browser. Method 1: USB Flash Drive (Recommended) cp-unr-4k2161-v2 firmware download
: Click Browse , select the file, and click Upgrade . The system will show a progress bar and reboot automatically upon completion. Method 2: Remote Web Interface : Use a USB drive (4GB–32GB) formatted to FAT32
Before starting, you must verify your current system details to avoid installing incompatible software: select the file
: Insert the USB into the NVR’s front or rear port. Navigate to Main Menu > System > Upgrade .
: Log into your NVR, go to System Info > Version , and note the current "Build Date".