received its most significant recent firmware updates throughout 2020 and 2021 . While the receiver is now considered a legacy model, these updates were critical for maintaining compatibility with streaming services like and TuneIn Radio . Onkyo TX-NR646 Firmware Release History The most recent official firmware version for the
using either a network connection or a USB flash drive. Before starting, ensure that is turned off in the hardware settings. Method 1: Network Update txnr646 firmware update 2021
Fixed a bug that prevented changing customer settings in the web setup menu. Before starting, ensure that is turned off in
is , released on December 1, 2020. Although 2021 did not see a new version number for this specific model, updates for similar models in early 2021 fixed critical security and stability issues that users of the 646 were encouraged to verify against their own hardware. Version 1110-6060-1106 (Dec 2020): Although 2021 did not see a new version
Extract the files onto an empty USB drive formatted to .