Copy the extracted files/folders to the root directory of the USB drive (meaning they shouldn't be inside another folder on the drive). 3. The Update Process Power Off: Turn off your receiver completely. Insert USB: Plug the drive into the front-panel USB port.
The display should read "Updating." This can take anywhere from 10 to 40 minutes. ⚠️ Important Safety Tips File: DUT150UC.zip ...
Ensure DUT150UC is the exact version intended for your specific model number (e.g., AVR-X series). Using firmware meant for a different region (UC stands for USA/Canada) on a European model can cause errors. Copy the extracted files/folders to the root directory