The process usually takes 10 to 20 minutes. The receiver will automatically restart once finished. Troubleshooting Common Update Issues
Extract the files directly to the root directory of a . denon avrx520bt firmware update top
Since the AVR-X520BT lacks built-in Wi-Fi or an Ethernet port, the update process is handled manually via the front-panel USB port. Here is everything you need to know about finding and installing the latest firmware. Why You Should Update Your Firmware The process usually takes 10 to 20 minutes