Txnr646 Firmware Update 2021 Jun 2026

Copy the unzipped files to the root folder of a USB flash drive.

You can, but you remain vulnerable to HDMI handshake issues with newer devices and network security flaws. It’s a low-risk update with high benefit.

Fixed an issue where the logos for certain TuneIn radio stations would not display correctly. Final Known Update (Feb 2022) Further stability improvements to the system. How to Update Your TX-NR646 Firmware (Step-by-Step)

The Onkyo TX-NR646's latest firmware update for the 2021 period was version 1110-6060-1106, released on December 1, 2020, to improve web setup and fix Sirius XM issues. While no new updates were released in 2021, this version remains the standard for maintaining stability, with updates installable via network or USB. For the official update documentation, visit Firmware Updates | ONKYO Asia and Oceania Website txnr646 firmware update 2021

Download the firmware ZIP file from the official Onkyo support page .

If your version is , you are already up-to-date. If it is an older version, you can attempt to manually update via USB.

The Onkyo TX-NR646 remains a highly capable 7.2-channel network A/V receiver, but keeping its software current is crucial for peak performance. The (version 1.15). While no new updates were issued in 2021, many users sought out and installed this specific version throughout 2021 to address ongoing system bugs. Copy the unzipped files to the root folder

Select Update and press Enter . Do not turn off the power until the front display reads "Completed!" . Common Troubleshooting in 2021 and Beyond Firmware Update TX-NR646 & TX-NR747 (12-01-2020) - Onkyo

: Corrected song information display issues for Sirius XM radio .

It is often recommended to perform a power cycle (unplugging for 30 seconds) after a successful update to ensure all services initialize correctly. Fixed an issue where the logos for certain

Insert the drive into the USB port on the receiver and select in the firmware menu. Important Notes

Resolved a bug where customer settings could not be changed via the web setup menu.

As documented on AVS Forum and Reddit’s r/hometheater: