If you encounter issues where the unit does not work after an update, recommends repeating the process with a freshly re-downloaded file.
: Insert the USB drive into the front port of the BDS 570. Follow the on-screen prompts under Settings > System > Software Update to initiate the manual install. Harman Kardon Troubleshooting & Tips Failed Update harman kardon bds 570 firmware update
The unit will search for the file and ask if you want to load it. Select to confirm. Important: If you encounter issues where the unit does
If all searches fail, you have two professional options: select OK to begin.
: Improvements to HDMI ARC and CEC performance for smoother control and audio return from your TV.
: The unit will search for the file. Once found, select OK to begin.