=link=: Denon Avr X4000 Firmware Update Upd

Press the SETUP button on your remote control to bring up the on-screen GUI. Navigate to Firmware: Select General → Firmware .

If an update is available, select Start or Update Now . The unit will display the remaining time and the power indicator will turn red during the process. denon avr x4000 firmware update upd

Updates may reset your settings to factory defaults. Write down your Audyssey calibration results and input assignments. Press the SETUP button on your remote control

Use this method if your network is unstable or the online update fails. denon avr x4000 firmware update upd