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Updating Your Headphones | Bose QuietComfort Ultra Headphones (2nd Gen)
Important info about your headphone update:
When an update is available for your headphones, the Bose app 
If your headphones are powered off during the update, it will resume once they are powered on and connected to the app.
Keep Bose app notifications enabled so you’ll be alerted whenever an update is available.
How to update your headphones
- Make sure your headphones are connected to your phone or tablet through the Bose app
- After the app downloads the update, it transfers it to your headphones, which can take up to 40 minutes.
Note: The headphones must remain connected to the app, and stay within Bluetooth® range. The app must be open, either active or running in the background, but closing it will stop the transfer. - After the transfer is complete, tap Install Update and follow the app instructions to finish the update.
- Installing the update can take up to 15 minutes. While updating, the light on your headphones will continuously blink white.
Alternate update method - Using a computer
- On a computer, go to btu.bose.com to open the Bose Updater application.
- Follow the Updater instructions to update your product.
If the Updater application is not already installed on your computer, you will be prompted to download and install it.
- Windows 11
- Windows 10
- macOS (the latest two versions)
- Chrome
- Edge
- Firefox
- Safari
Frequently Asked Questions
What updates are available for my product?
QuietComfort Ultra Headphone Firmware Versions
8.2.20
Release Date: 10 February 2026
Release Notes:
• Updated voice prompts and tones. Streamlined audio feedback to help you get back to the sound you love without missing a beat. For more information, see Incorrect Voice Prompts or Voice Prompt Changes
• 24-bit/48kHz lossless audio. This high-fidelity format preserves original audio data for a more dynamic listening experience.
• USB voice call support for your PC. Enjoy high-quality two-way audio during web calls and video conferencing when connected to a computer via USB-C.
Note: This firmware enables two-way USB audio connection with a PC. This functionality is supported only by certain VoIP applications and may not work with all communication software
Note: This firmware enables two-way USB audio connection with a PC. This functionality is supported only by certain VoIP applications and may not work with all communication software
5.0.20
Release Date: September 2025
Release Notes:
• Start of production
How do I know what firmware version I have?
Checking your product's firmware version in the Bose App
- Turn the product on and connect it to the Bose App.
- Open the product in the Bose app tray.
- Click the gear icon in the upper right corner.
- Scroll down and select Technical Info under the Support section.
- Firmware Version should appear first in the list of technical information.
Will updating my firmware fix problems with my headphones?
Firmware updates may improve your product experience
We recommend keeping your earbuds updated with the latest firmware to ensure optimal performance and access to the newest features. Firmware updates can resolve minor bugs, improve device compatibility, and provide a more consistent listening experience.
If you're experiencing issues with your Headphones, click here to review our troubleshooting guide.
If you've already tried all troubleshooting steps and the issue persists, click here for the quickest way to request service for your headphones.
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