Txnr646 Firmware Update 2021 _top_

: Fixed a bug that prevented song information from being displayed during Sirius XM playback. Cumulative Stability : Includes all previous enhancements, such as improved DSD playback stability and compatibility. Installation Guide For older units like the TX-NR646, USB installation is highly recommended

The most recent official firmware update released specifically for the Onkyo TX-NR646 was issued on December 1, 2020 (Firmware Version: 1110-6060-1106 txnr646 firmware update 2021