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.
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. File: DUT150UC.zip ...
The display should read "Updating." This can take anywhere from 10 to 40 minutes. ⚠️ Important Safety Tips Copy the extracted files/folders to the root directory
If you’ve downloaded the DUT150UC.zip file, you are likely looking to perform a manual firmware update on your receiver. While many modern receivers update over Wi-Fi, a manual USB update is often the most reliable method—especially if your device is experiencing network issues or a "boot loop." 1. Prepare Your USB Drive Insert USB: Plug the drive into the front-panel USB port
Depending on your specific model, you may need to hold a specific button combination (like Status + Dimmer ) while pressing the Power button. Check your manual for the exact "USB Update" key combo.