: If the unit becomes unresponsive, try a "Hard Reset" by unplugging it for at least 1 hour, then holding the power button on the unit (not the remote) while plugging it back in.
as the upgrade method. The unit will search for the update file. When prompted, press on the remote to start the loading process. Harman Kardon Bds 570 Firmware Update
How to Update Firmware on the Harman Kardon BDS 570 Updating the firmware on your Harman Kardon BDS 570 ensures your home theater system runs the latest software version for optimal performance and compatibility. support.harmankardon.com Step 1: Check Your Current Firmware Version : If the unit becomes unresponsive, try a