To update your CP Plus DVR firmware, you must first identify your specific model number to ensure you download the correct file. You can find firmware files and manuals through the CP Plus Support Portal official downloads page Preparation Requirements : Use a drive between 4GB and 32GB, formatted strictly to Firmware File : Download the
file for your model and extract it. The final file should have a extension. Root Directory : Copy the
Look at the bottom or back of your DVR box. Find the model number: Write down the letters and numbers.