V4.02.r11 Firmware Update !!install!! -
Navigate to your vendor’s support portal. Search for your product model and filter by firmware. Download the file named [product]_v4.02.r11.bin or .img . if provided.
: General system stability improvements for video processing. v4.02.r11 firmware update
Open a web browser (Internet Explorer with ActiveX is often required for older DVRs) and enter the DVR's IP address. Log in and navigate to Maintenance , select the firmware file on your computer, and click Open/Upgrade Important Precautions Do Not Power Off Navigate to your vendor’s support portal