Denon - Avr X250bt Firmware Update Fixed

If your AVR-X250BT is behaving as if it has a firmware bug, follow these steps to reset the microprocessor and "fix" the system state: Turn off the power using the Power button on the main unit. Press and hold TUNER PRESET CH+ simultaneously. While holding these buttons, press the Power button to turn the unit back on.

: For issues with external devices, ensure the HDMI Control function is enabled in the setup menu . denon avr x250bt firmware update fixed