Power on your AVR and ensure it is connected to your high-speed network. button on your remote control. Navigate to Check for Update . If a new version is available, select Update Now
If you receive the file from Denon Support, follow this general process:
: Recent updates (like the July 2024 and October 2025 releases) have addressed HEOS streaming issues, Auro 3D layout problems, and audio dropouts for specific file types. denon avr update firmware new
Recent and upcoming Denon AVR updates are packed with exciting new features, especially for the latest X Series models announced in 2026.
Latest Heos App And Firmware Update Available - Find Answers Power on your AVR and ensure it is
Improve System Stability: Fixes for random crashes or HDMI handshake issues.New Features: Support for new technologies like HDR10+, ALLM (Auto Low Latency Mode), or VRR (Variable Refresh Rate).Music Streaming Enhancements: Updates to the HEOS built-in platform for better Spotify, Tidal, or Amazon Music connectivity.Audio Processing: Refinements to Dolby Atmos or DTS:X rendering. Preparation Checklist
Ensure your USB flash drive is completely empty and formatted to FAT32. Download the firmware files provided by Denon and extract them onto the root directory of the USB drive. If a new version is available, select Update
Navigate back to Setup > General > Firmware . Turn to On . You can also turn on Update Notification so a small pop-up window alerts you on your TV whenever new software becomes available.
To ensure your system is always running the latest software without manual intervention, you can enable the "Auto-Update" feature. Press on the remote. Go to General > Firmware . Select Auto-Update and toggle it to On .