: The update typically takes a few minutes; the front panel will display progress. Do not power off the unit during this time. Troubleshooting Update Issues
To ensure your Denon AVR-X4000 is running with the latest features and improvements, it's a good idea to check for firmware updates periodically. Here's how to update the firmware: denon avr x4000 firmware update upd
: Patches for streaming services like TuneIn or AirPlay volume control improvements. How to Check and Update : The update typically takes a few minutes;
The most reliable way to update is through the receiver's internal menu while connected to your home network via an Ethernet cable. : Press the Setup button on your remote control. denon avr x4000 firmware update upd