Go to Information > Upgrade (or System Maintenance). Click Browse to select the firmware file from your computer and click Upgrade . Critical Pre-Update Checklist
: Because firmware is specific to hardware revisions (like the V2), it is often recommended to contact CP PLUS Support directly with your model number to receive the correct, latest stable version. Prepare for Update : cp-unr-4k2161-v2 firmware download
: Plug the prepared USB drive into one of the NVR's USB ports (front or rear). Go to Information > Upgrade (or System Maintenance)