Installing the wrong firmware will brick your DVR. The "G608L-N" is a housing model; the internal motherboard has a version number.
If you encounter issues during the update process, try: dvr-g608l-n firmware update
: Open a web browser and navigate to the IP address of your DVR-G608L-N. The default IP address is usually 192.168.0.100 or 192.168.1.100 , but this may vary based on your network configuration. Installing the wrong firmware will brick your DVR