Before diving into the download process, let’s understand why you need the latest firmware for your CP-UNR-4K2161-V2.

or the local GUI to identify the NVR’s current IP address.

: Locate the serial number and current firmware version (Build Date) in your NVR's System Info or Maintenance menu.

The CP‑UNR‑4K2161‑V2 is the latest revision of the used in our surveillance and remote‑monitoring deployments. A new firmware version (v2.x.x) has been released by the OEM, promising performance improvements, security hardening, and additional features.