Before searching for a download, verify if you already have the latest software installed: Power on your .

He held his breath, pressed the two small buttons with one thumb, and stabbed the power button.

: Power on your receiver, press Setup on the remote, and navigate to General > Firmware > Checking the information to see your current version.

on the front panel. Unlike newer HEOS-enabled models, this unit cannot download updates directly from the internet. Firmware Availability Official Downloads

Insert the USB drive into the front-panel port of the receiver. Navigate to > General > Firmware > Update Start . The Update Process :