Plug the drive into the NVR's USB port. On the NVR interface, navigate to Main Menu > System > Upgrade (or Maintenance > Upgrade).
Before initiating a firmware download or update, ensure you have the following information to avoid "bricking" your device:
Beyond firmware updates, proper maintenance habits extend the life of your NVR and ensure consistent performance. cp-unr-4k2161-v2 firmware download
: Detailed configuration guides specifically for the UNR series. Datasheet (CP-UNR-4K2161-V2)
Technically yes, through the same USB method, but it is not recommended. Downgrading can cause configuration corruption or boot loops. Plug the drive into the NVR's USB port
Connect your NVR to an Uninterruptible Power Supply (UPS). A power failure during an upgrade will corrupt the flash memory.
: Log into your NVR, go to System Info > Version , and note the current "Build Date". : Detailed configuration guides specifically for the UNR
: 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
Embedded LINUX with Graphic User Interface (GUI).