2021 Exclusive: Txnr646 Firmware Update

The Onkyo TX-NR646 Go to product viewer dialog for this item.

1. Press Setup on the remote.
2. Go to Hardware Setup → Firmware Update.
3. Select Update via Network.
4. If the 2021 version is available, it will download. (Note: As of 2023, many servers no longer host this file, so USB is superior).

Note: The TX-NR646 is a network AV receiver manufactured by Onkyo, released in 2015. By 2021, the device was six years old, and firmware updates were focused on stability, HDMI handshake fixes, and security patches rather than new features. txnr646 firmware update 2021

1. Press the Setup button on your remote.
2. Navigate to Hardware Setup → Firmware Update.
3. Select Version.

Setup

Connect your receiver to your home network via an Ethernet cable or Wi-Fi. Press on the front panel or the remote. The Onkyo TX-NR646 Go to product viewer dialog for this item

Check Your Current Version

: Use the remote to go to Setup > Miscellaneous > Firmware Update to see your version. If it’s older than 1110-6060-1106, you should update. USB vs. Network Update : For older models like the Press Setup on the remote