When researching the , you’ll encounter several version designations. The main release that rolled out between December 2020 and March 2021 is:
over Wi-Fi to avoid common network errors (like the "0-21" or "0-04" errors). Preparation
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
Only if your receiver is still connected to the internet and you see a notification.
is a 2015-era model, forum users in 2021 shared several "lessons learned" to keep these units running: When researching the , you’ll encounter several version
: Fixed a bug that prevented song information from displaying correctly during Sirius XM radio playback.
Before updating, check your firmware version via the on-screen display: is a 2015-era model, forum users in 2021
The (version 21110-11010-1210) represents the final and most polished software state for the Onkyo TX-NR646. While it doesn’t add headline features like HDMI 2.1, it resolves long-standing audio, video, and network issues that have frustrated owners for years.