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Updating Your Earbuds | Bose QuietComfort Ultra Earbuds (2nd Gen)
Important info about your earbud update:
To get the latest update, make sure your earbuds are connected to your phone or tablet through the Bose app. Your earbuds cannot be updated without being connected to the Bose app.
The update might take up to 45 minutes, but it usually finishes much faster.
You can keep using your earbuds during the update. If you stop using them, the update will pause and pick up where it left off the next time you use them.
How to update your earbuds
When a new update is ready, it will be sent to the Bose app automatically.
You’ll see a “Transferring Update” message over your product image in the app. Once the transfer is done, the message will change to “Install Update.”
Tap it to start, then tap “Update Now” on the next screen. The app will guide you through the rest of the steps.
When the update finishes, reconnect your earbuds to your phone or tablet. Open the Bose app again to make sure the update was installed successfully.
Note: Product images may vary but the process remains the same.
For more information on updating your earbuds, please see our video
The information in this video applies to Bose QuietComfort Earbuds II, QuietComfort Ultra, and QuietComfort Ultra (2nd Gen) products. Please note the Bose Music app is now called the Bose app.
Frequently Asked Questions
What updates are available for my product?
QuietComfort Ultra Earbuds (Gen 2 ) firmware versions
10 June 2026
Version: 8.4.8
Release Notes: Improved connection stability through bug fixes and performance enhancements.
31 March 2026
Version: 8.3.12
Release Notes: Updated voice prompts and tones to streamline audio feedback and improve ease of use. Added new noise cancellation options with improved control outside of modes for a more customizable listening experience.
24 July 2025
Version: 4.9.30
Release Notes: Introduced speech clarity voice enhancement for improved call quality and enhanced overall stability.
25 June 2025
Version: 4.9.14 (Earbuds), 4.9.6 (Case)
Release Notes: Release version.
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.
How do I update my charging case?
Updating your earbuds charging case
The charging case cannot be updated from the Bose app. The changing case can only be updated using the online Bose Updater. This will require connecting the charging case to a computer with a USB connection.
To perform a charging case update:
- On a computer with USB connection go to BTU.Bose.com.
- Download the Bose Updater software
- Connect your charging case to the computer using a USB-C cable
Note, if you require a replacement USB-C Cable, you can purchase one here. - 4. The Bose Updater will detect the product and info you if an update is available. If an update is available follow the instructions on-screen
Will updating my firmware fix problems with my earbuds?
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 QuietComfort Ultra Earbuds (2nd Gen), 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 earbuds.
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Bose App Latest Releases
1 June 2026
iOS Version: 13.0.7
Release Notes:
- Addressed and fixed key issues to help improve your overall experience.
Compatible OS Versions:
iOS: 17 and up (This release no longer supports iOS 16 or earlier)
18 May 2026
iOS Version: 13.0.6
Android Version: 13.0.7
Release Notes:
- Added support for the new Lifestyle Collection Wi‑Fi home audio products. Connect and control your new system directly in the app.
- Faster, more seamless product setup. Improved onboarding makes it easier to get started.
Compatible OS Versions:
iOS: 17 and up (This release no longer supports iOS 16 or earlier)
Android: 13 and up (This release no longer supports Android 12 or earlier)
21 April 2026
iOS Version: 12.2.10
Android Version: 12.2.11
Release Notes: Addressed and fixed key issues to help improve your overall experience.
Compatible OS Versions:
iOS: 17 and up (This release no longer supports iOS 16 or earlier)
Android: 13 and up (This release no longer supports Android 12 or earlier)
3 February 2026
iOS Version: 12.1.7
Android Version: NA
Release Notes: Addressed and fixed key issues to help improve your overall experience.
Compatible OS Versions:
iOS: 17 and up (This release no longer supports iOS 16 or earlier)
Android: 13 and up (This release no longer supports Android 12 or earlier)
20 January 2026
iOS Version: 12.1.6
Android Version: 12.1.6
Release Notes: Addressed and fixed key issues to help improve your overall experience.
Compatible OS Versions:
iOS: 17 and up (This release no longer supports iOS 16 or earlier)
Android: 13 and up (This release no longer supports Android 12 or earlier)
10 December 2025
iOS Version: 12.0.50
Android Version: 12.0.50
Release Notes: Addressed and fixed key issues to help improve your overall experience.
Compatible OS Versions:
iOS: 17 and up (This release no longer supports iOS 16 or earlier)
Android: 13 and up (This release no longer supports Android 12 or earlier)
04 November 2025
iOS Version: 12.0.12
Android Version: 12.0.13
Release Notes: Addressed and fixed key issues to help improve your overall experience.
Compatible OS Versions:
iOS: 17 and up (This release no longer supports iOS 16 or earlier)
Android: 13 and up (This release no longer supports Android 12 or earlier)
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