Txnr646 Firmware Update 2021 !!exclusive!! Here

While there was no new firmware released specifically in 2021, the final firmware for the Onkyo TX-NR646

(version 1110-6060-1106) was released in December 2020. This update remains the latest version for the receiver and addresses minor bugs while improving overall stability. Pre-Update Checklist

To ensure the update completes successfully, you must perform these steps before starting: Disable HDMI Control: Set "HDMI CEC" (RIHD) to Off. Disable Multi-Zone: Turn off Zone 2.

Stop Playback: Ensure all internet radio, USB, or server content is stopped.

Disconnect Peripheral Control: Turn off any control devices (like a PC) connected via Ethernet. Update Method 1: Via Network (Recommended)

This is the simplest method if your receiver is connected to the internet. Open Setup: Press the [SETTING/GEAR] button on your remote.

Navigate to Update: Go to 7. Miscellaneous (or 8. Misc depending on your current version) → Firmware Update. Select Network: Choose Update via NET and press ENTER.

Note: If the option is grayed out, wait a few minutes for the unit to fully initialize..

Start Update: Select Update and press ENTER. The process takes roughly 20–30 minutes.

Completion: When "Completed!" appears on the front panel, press ON/STANDBY on the main unit to enter standby mode. Method 2: Via USB Drive

Use this method if your receiver has network issues or if you prefer a manual install.

Prepare Drive: Download the zipped firmware from the Onkyo Support Site.

Format and Copy: Unzip the files and copy them to the root folder of a USB stick (do not put them in a subfolder).

Insert Drive: Plug the USB drive into the receiver's USB port. txnr646 firmware update 2021

Run Update: Navigate to 7. Miscellaneous → Firmware Update → Update via USB.

Start and Finish: Press ENTER to start. Once "Completed!" is displayed, remove the USB drive and power the unit off and on. Troubleshooting Tips

Failed Update (Error 1-83): If the update stalls, try unplugging all HDMI video sources and restarting the process. Users have found success after removing these cables during the update.

"No Update" Message: If you see this immediately, your receiver is already running the latest 2020 firmware.

Verify Version: After updating, check your version by going to Misc → F/W Update and scrolling down to the version number. Firmware Update TX-NR646 & TX-NR747 (12-01-2020) - Onkyo

The Onkyo TX-NR646 Go to product viewer dialog for this item.

received its most significant recent firmware updates throughout 2020 and 2021. While the receiver is now considered a legacy model, these updates were critical for maintaining compatibility with streaming services like TIDAL and TuneIn Radio. Onkyo TX-NR646 Firmware Release History The most recent official firmware version for the

is 1110-6060-1106, 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):

Fixed a bug that prevented changing customer settings in the web setup menu.

Resolved issues with displaying song information for Sirius XM radio. Version 1110-5060-1106 (July 2019): Improved overall playback stability and system reliability. How to Update Your Firmware You can update the

using either a network connection or a USB flash drive. Before starting, ensure that HDMI CEC is turned off in the hardware settings. Method 1: Network Update

Connect your receiver to the internet via an Ethernet cable or Wi-Fi. Press the Home button on your remote. Navigate to System Setup > 8. Misc > F/W Update. Select Update via NET and press Enter.

Wait for the display to show "Completed!" and then turn the unit off and back on using the On/Standby button on the front panel. Method 2: USB Update While there was no new firmware released specifically

Download the firmware ZIP file from the official Onkyo support page.

Extract the files onto an empty USB drive formatted to FAT32.

Insert the USB drive into the receiver’s front or rear port. Navigate to F/W Update and select Update via USB. Follow the on-screen prompts until "Completed!" appears. Common Issues & Troubleshooting Firmware Update TX-NR646 & TX-NR747 (12-01-2020) - Onkyo

The Onkyo TX-NR646 remains a highly capable 7.2-channel network A/V receiver, but keeping its software current is crucial for peak performance. The latest official firmware update for the Onkyo TX-NR646 was released in December 2020 (version 1.15). While no new updates were issued in 2021, many users sought out and installed this specific version throughout 2021 to address ongoing system bugs.

This guide details what the update does and provides step-by-step instructions on how to install it safely. 🛠️ Key Fixes in the Final Firmware Update

The December 2020 release resolved several persistent legacy issues:

Web Setup Menu: Fixed the glitch preventing users from changing customer settings via web browsers.

SiriusXM Radio: Fixed the bug where song and artist information failed to display on the receiver's screen. ⚠️ Critical Precautions Before You Begin

Updating firmware carries a risk of bricking your device if interrupted. Follow these rules strictly:

Timeframe: The update typically takes 30 to 40 minutes to complete.

Power Supply: Never pull out the power cord or shut off the unit while the update is running.

Connection Stability: If updating over a network, a poor connection can cause the process to fail or take over 2 hours. 📋 How to Check Your Current Firmware Before proceeding, check if you actually need the update: Press the Setup button on your remote or front panel. Highlight 8. Misc and press Enter. Select 8.1 F/W Update and press Enter.

Look at the 12-digit number. Compare it against the latest files available on the Onkyo Support Portal . 💾 Step-by-Step Update via USB (Recommended) Common Issues After the 2021 Update (And How

Updating via a USB thumb drive is much safer than utilizing a wireless network connection. Step 1: Prepare the USB Drive

Insert a standard USB flash drive into your computer and format it (ensure it is empty).

Download the firmware files directly from the Onkyo Product Page . Right-click the downloaded ZIP file and select Extract All.

Copy the entire contents of the extracted folder directly to the root directory of your USB drive. Do not place them inside another folder. Safely eject the drive from your PC. Step 2: Install on the Receiver

Insert the USB drive into the USB port on the front or back of the receiver. Power on the receiver and your connected TV. Press Setup on the front panel or remote. Navigate to 8. Misc > 8.1 F/W Update. Scroll down to select Update via USB and press Enter. Confirm and begin the update.

Do not touch the unit until the front display reads "Complete". The receiver will automatically shut off or prompt you to reboot. 🌐 Alternative: Update via Network

If your receiver is connected directly to the internet via an Ethernet cable or strong Wi-Fi, you can update without a PC: Press the Home button on your remote. Go to System Setup or Setup > Miscellaneous. Select Firmware Update. Select Update via NET and press Enter.

Wait for the progress bar to finish on your TV or receiver display. Do not power off the unit until it states "Complete".

If you run into issues where the receiver freezes or fails to detect the update, you can perform a hard factory reset by holding down the CBL/SAT button and the Power button simultaneously until "Clear" appears on the display.

Are you experiencing a specific error code during the update, or are you looking to troubleshoot a hardware issue like a loss of audio?

1. HDMI and HDCP Stability

• Fixed intermittent “no signal” black screens when connecting an NVIDIA Shield TV Pro (2019) at 4K/60Hz.
• Improved HDCP 2.2 handshake with Sony PlayStation 5 and Xbox Series X, reducing the need to power-cycle the receiver.
• Resolved ARC (Audio Return Channel) dropouts with LG and Samsung 2020-2021 smart TVs.

Common Issues After the 2021 Update (And How to Fix Them)

Some users reported post-update glitches. Here’s how to resolve them:

Method A: Via Network Connection (Recommended)

1. Connect the receiver to your network via an Ethernet cable (hardwired is much more stable than Wi-Fi for updates).
2. Turn on the receiver and press the HOME button on the remote.
3. Navigate to Setup > Hardware > Firmware Update.
4. Select Update.
   • Note: The receiver will check the server. If it says "No Update," your unit is already on the latest version.
5. Do not turn off the receiver or unplug it during the update. This can "brick" the device. The process usually takes 15–30 minutes.

Introduction

For owners of the Onkyo TX-NR646, 2021 represented a critical year for device maintenance. While the 7.2-channel THX-certified receiver had long been discontinued (succeeded by the NR676 and later models), Onkyo continued to push firmware updates to address lingering bugs, particularly those related to network streaming stability and HDCP 2.2 handshake issues with newer 4K streaming devices.

The most notable 2021 update for the TX-NR646 was version 2131-8030-5070 (often shortened to "5070" or "8030" in user forums), released in February 2021. A smaller maintenance update followed in late summer.