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: Plug the USB drive into the receiver's USB port.
Even without a 2021 release, you should ensure your unit is running the final 2020 version to avoid issues with AirPlay or WiFi.
Ensure the receiver is connected to the internet via Ethernet (recommended) or Wi-Fi. Go to > Misc > F/W Update . Select "Update via NET" .
Alternatively, switch to to completely bypass the network hardware. Update Trapped in an Endless Loop
Upgraded network encryption protocols to prevent unauthorized access via local area networks (LAN). Preparation: Prerequisites Before You Update
Connect your receiver to your home network via an Ethernet cable or Wi-Fi. Press on the front panel or the remote.
Download the firmware file from the Onkyo Support website to your computer. Unzip: Unzip the file (
You have two methods. for convenience, but USB is more reliable if your Wi-Fi is slow.