While newer models (like the TX-NR696 or TX-RZ50) received updates in 2021 for things like or Chromecast authentication , those specific patches were generally not back-ported to the TX-NR696 - Firmware Updates – Onkyo Product Support
: Newer models received a TIDAL security enhancement and TuneIn Radio logo fixes. June 2021 : The txnr646 firmware update 2021
for a more reliable installation rather than a wireless connection. Hardware Vulnerability While newer models (like the TX-NR696 or TX-RZ50)
The process typically takes . Do not turn off the power until "Completed!" appears on the front display. Via USB Do not turn off the power until "Completed
Included cumulative minor bug fixes from previous years, such as improvements to DTS:X compatibility and Dolby Digital Plus playback. How to Update Your
Fixed a bug that prevented changing customer settings in the web setup menu.
For owners of the network A/V receiver, keeping the firmware up to date is crucial for maintaining optimal performance, unlocking new features, and fixing known bugs. While the TX-NR646 is a 2015-2016 model, the 2021 firmware update cycle represented one of the most significant maintenance releases in the device’s lifecycle.
