Recent firmware versions (e.g., U38 and U39) have introduced several major upgrades:
Some users report that the new update resets your Audyssey EQ settings. Always save your configuration to a USB drive before updating. (Setup > General > Save & Load > Save Configuration). denon avr update firmware new
Keeping your is not just about getting new features—it is about stability and security. The process is straightforward if you use a wired Ethernet connection or a properly formatted USB drive. Recent firmware versions (e