For HEOS-enabled models (most units made after 2016), the process is streamlined via your home network. How to update my Denon AVR - Find Answers

Most modern Denon receivers (connected via Wi-Fi or Ethernet) can be updated directly through the on-screen menu: : Ensure your AVR has a stable internet connection. Access Menu : Press the Setup button on your remote. Navigate : Go to General > Firmware .

: If available, select Update Start . The process can take anywhere from 10 minutes to an hour. Essential Tips and Troubleshooting