Perform the USB update to version 2130-1010-0200 , factory reset, and enjoy a stable home theater experience for years to come.
Need the direct download link for the 2021 firmware? Check the official Onkyo support page or your regional distributor’s legacy firmware archive. txnr646 firmware update 2021, Onkyo TX-NR646 2021 patch, TX-NR646 Dolby Vision fix, Onkyo firmware 2130-1010-0200, update TX-NR646 via USB. txnr646 firmware update 2021
Without this update, your TX-NR646 will likely drop video signals with a PS5 or fail to display Dolby Vision from a new Chromecast. With the update, the unit runs quietly (fan logic improved), switches inputs faster, and supports the core features that matter. Perform the USB update to version 2130-1010-0200 ,