Onkyo discontinued direct support for many HT-R series models, but you can find archived firmware files at:

compatible ports (typically the first few HDMI inputs), as older ports may be limited to HDCP 1.4. Chromecast Troubleshooting

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Updating your receiver can resolve issues with Bluetooth connectivity, audio format playback, and even add critical features like Dolby Vision pass-through. Latest Firmware Version & Key Fixes The most recent firmware updates for the