: Release the buttons once the display flashes at 1-second intervals. Technical Limitations AVR - Check for the latest firmware version - Find Answers
Before updating your firmware, make sure to: denon avr x250bt firmware update fixed
: Addresses internal software glitches that can occasionally cause the display to show incorrect status information. How to Check and Update : Release the buttons once the display flashes
If your unit malfunctions after an update or the process fails: Factory Reset : If the display is abnormal, perform a Factory Reset by holding Tuner Preset CH + while powering the unit on until the display flashes. Power Cycle denon avr x250bt firmware update fixed