Txnr646 Firmware Update 2021 Jun 2026

Improves HDMI CEC handshake reliability with modern 4K smart TVs. Technical Specifications of the Update

Plug the USB drive into the front-panel USB port of the TX-NR646. Press on your remote control. Navigate to Misc > Firmware Update . Select Update via USB . Confirm the update when prompted. txnr646 firmware update 2021

If you try to update and it fails:

While 2021 did not bring new firmware, ensuring your receiver has the final available version (1110-6060-1106) is still essential for maximum stability. How to Check and Update Your TX-NR646 Firmware Improves HDMI CEC handshake reliability with modern 4K