There are two primary ways to flash the new firmware onto your CP Plus device: using a physical USB drive directly at the recorder, or remotely via a web browser.
Navigate to > Upgrade (or Maintain > Manager > Upgrade depending on your GUI version). cp plus firmware update download link
Note: If you cannot find your model, use the "Search" bar on their site or check the "Discontinued Products" section if you are using an older unit. There are two primary ways to flash the