The process usually takes 10 to 20 minutes. The receiver will automatically restart once finished. Troubleshooting Common Update Issues
Updating your receiver isn't just about new features; it’s about stability. A firmware refresh can: Improve HDMI handshake stability with newer smart TVs. Fix intermittent Bluetooth pairing issues with smartphones. denon avrx520bt firmware update top
Press and hold the and Preset Ch + buttons on the main unit simultaneously. The display should read "Update Starts." The process usually takes 10 to 20 minutes