■ Update via network You need a wired Internet connection to update the firmware.
■ Update via USB storage Please prepare a USB storage device such as a USB flash memory stick.
Note • Check the network connection before updating.- When the AV receiver has two USB ports, you can use either one. If the AV receiver is in standby mode, press 8ON/STANDBY on the AV receiver to light up the front display. “Now Initializing...” appears on the AV receiver’s display and then the name of the USB device is displayed. Note that this option will not be available if there is no firmware file newer than the currently installed version. When this occurs, you can still view the update progress on the AV receiver’s display. Updating the firmware can bring various changes that should boost performance, such as improved compatibility with different multimedia file formats.It takes 20 to 30 seconds to recognize the USB device. The on-screen display will reappear after the update is complete, and upon turning the AV receiver off and on again. In order to do so, usually, you must transfer the firmware onto an empty USB storage device, connect the flash drive to the A/V Receiver, and initiate the upgrade process from the device's setup menu.Set the HDMI Control (RIHD) and Zone 2 to “Off” and stop playback from Internet radio, i Pod, i Phone, USB or servers.Next, make sure your device is on and plug in your USB stick and select the USB input source.During the next few minutes, have patience and do not panic if you see screen flickering or no image displayed.You can still follow the progress of the update on the small display on the device. ” comes up, remove the USB stick and turn off the AV receiver from the front panel button. For the TX-NR5009, this firmware also improves the operation when HDMI Through is set to “ON,” stabilizes the operation of Network Control, and corrects the video output when the Picture Mode is set to Through.A warning from Onkyo says that they've discovered a possible failure when updating via Ethernet and, therefore, decide on sticking to the USB mode instead. Download the firmware at the link below and copy the contents of the archive to a formatted USB drive.• If the USB device is partitioned, each section will be treated as an independent device.• If the USB device contains a lot of data, the AV receiver may take a while to read it.