As of early 2012, an update (version v2.19.21) was released for the entire BDS series (from BDS 300 to BDS 800). This suggests updates were not model-specific but released for the entire family of products. The update was approximately 28 MB in size and improved Blu-ray playback compatibility.
Ensure the unit is connected to a stable power source during the update. A power loss during the internal flash memory write can cause system failure. JustAnswer Are you currently facing a specific error code or is the system stuck on a splash screen during your update attempt?
Before attempting an update, verify your current software version to ensure one is actually needed: Press the button on your remote. Select the Settings icon (gear symbol) and press OK . Navigate to System > Information . harman kardon bds 570 firmware update
is connected to your home network via an Ethernet cable or Wi-Fi.
unlock region restrictions. The BDS 570 remains region-locked for DVD and Blu-ray playback unless hardware-modified. Format Constraints: As of early 2012, an update (version v2
Once the update finishes successfully, remove the USB drive. Take a moment to re-verify your system configurations. Check your speaker distance settings, crossover frequencies, and HDMI output resolutions to ensure your home theater operates at its peak potential. Regular maintenance like firmware updates ensures that your classic Harman Kardon hardware continues to interface seamlessly with modern home entertainment technologies. If you want to complete this update safely, let me know:
Minimizes intermittent audio or video dropouts when connected to modern 4K or smart TVs. Ensure the unit is connected to a stable
If the unit fails to turn on or exhibits erratic behavior after an update, try unplugging it for at least 1 hour, then hold the power button on the unit for 60 seconds while plugging it back in. region-free settings or how to troubleshoot specific HDMI connection issues with this model? BDS 270/BDS 570 | Harman Audio
: Go to Home > Settings > System > System Upgrade .