Firmware Updates


The firmware update released October 30th (EST) is temporarily unavailable for download due to a problem with our servers. We are working to get this issue resolved as quickly as possible. We sincerely apologize to our customers for the inconvenience.

Notice of Firmware Update for TX-RZ920

A firmware update for the TX-RZ920 network A/V receiver is available through the unit's USB input. The latest update includes the following content:

Latest Firmware Number (16 digits):1020-3010-2020-0008

As of 30 October 2017

  • Adds support for new multi-room audio playback function "FlareConnect".
    *All audio devices in group and "Onkyo Controller" App is required to update to the latest version.
    Setup Guide:
    Introduction of multi-room audio functions:
  • Improvement for pass-through function of Dolby Vision signal.
  • Minor bug fixes and improvements stability.

Precautions for TX-RZ920 Firmware Update

  • Please read the update instructions carefully before beginning.
  • The firmware update should take 30 to 40 minutes. Once the update begins, don't turn off the power supply to the A/V receiver until it is time to restart it.
  • Depending on the conditions of the network, a firmware update via a network may take more than one hour or even fail to finish. If the update is not completed within two hours, turn off the power supply by pushing the ON/STANDBY button and then try updating again from the beginning.
  • Updating the firmware and adjusting the settings will be done automatically, but may take some time to complete. Please follow the procedures as instructed when you update. Note that the update may fail, or cause problems for your A/V receiver, if you do any of the following:
  • Pull out the A/V receiver's power cord;
  • Interrupt the power supply to the A/V receiver (e.g. if the breaker is tripped or if there is an electrical outage);
  • Insert or remove the LAN cable from a device in your network when updating over a network;
  • Insert or remove a USB memory device from the A/V receiver when updating via USB;
  • Operate components connected to the A/V receiver via HDMI, such as a TV or a recording device.

If your A/V receiver is damaged for any of the reasons above, an Onkyo service center will repair the unit for a fee.

How to Install Firmware Update for TX-RZ920

Click below for instructions on how to install the update.

Click below to download the firmware update to your PC, for subsequent installation on your receiver via its USB port.