: You will need a USB flash drive (FAT32 formatted) and a stable power connection. Never turn off the unit during the update process , as this can permanently damage the receiver. Step-by-Step Update Guide
I expected minor tweaks. Maybe a slight stability improvement. What I got was a hardware exorcism. harman kardon bds 570 firmware update
: If the system behaves erratically, your downloaded file may have been corrupted. Re-download the update from the manufacturer and run the process again. : You will need a USB flash drive
Early firmware versions had a known audio delay (lip-sync) when playing 3D Blu-ray discs. The update patches the audio processing pipeline to match video decode times. Maybe a slight stability improvement
Unzip the file and move the to the root of a standard USB memory stick. Install Update : Plug the USB stick into the Navigate to Settings > System > System Upgrade .