Txnr646 Firmware Update 2021 ((install)) ✪ 〈CERTIFIED〉

: Older units may experience "DSP" update hangs (e.g., stopping at 70% or 90%), which can sometimes indicate a failing internal memory chip rather than a software bug. How to Update

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): txnr646 firmware update 2021

According to Onkyo’s official release notes (archived from their Japanese and US support pages), the February 2021 update addressed the following: : Older units may experience "DSP" update hangs (e