Software and firmware versions
This article outlines software and firmware release dates. It includes release features and bug fixes.
Software and firmware versions | Bose QuietComfort Ultra Earbuds (2nd Gen)
Get help updating to the latest version shown below.
QuietComfort Ultra Earbuds (Gen 2 ) firmware versions
Release Date |
Version |
Official Release Notes |
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25 June 2025 |
Earbuds: 4.9.14 Case: 4.9.6 |
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Latest Bose App Releases
Release Date |
iOS Version |
Android Version |
Release Notes |
Compatible OS Versions |
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6 May 2025
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iOS: • Addressed and fixed key issues to help improve your overall experience. • Hotfix to address issues found in 11.1.12. Android: • Addressed and fixed key issues to help improve your overall experience. |
iOS: 16 and up (This release no longer supports iOS 15 or earlier) Android: 11 and up (This release no longer supports Android 10 or earlier) |
1 April 2025
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iOS: • Hotfix to resolve issues found in 11.0.6 |
iOS: 16 and up (No support for iOS 15 or earlier) |
25 March 2025
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iOS: • Siri control for Headphones & Earbuds - Now available, enabling users to adjust listening modes and immersive audio settings using Siri voice commands. Android: • General bug fixes & Improvements. |
iOS: 16 and up (No support for iOS 15 or earlier)
(No support for Android 10 or earlier) |
Previous Versions
Software Release ArchiveBose App Release Archive
Release Date | iOS Version | Android Version | Release Notes | Compatibility |
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14 August 2024 |
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iOS:
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Android: 11 and up (No support for Android 10 or earlier) iOS: 16 and up (No support for iOS 15 or earlier) |
18 June 2024 |
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iOS & Android:
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Android: 10 and up (No support for Android 9 or earlier) iOS: 15 and up (No support for iOS 14 or earlier) |
21 May 2024 |
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iOS:
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Android: 10 and up (No support for Android 9 or earlier) iOS: 15 and up (No support for iOS 14 or earlier) |
30 April 2024 |
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iOS:
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Android: 10 and up (No support for Android 9 or earlier) iOS: 15 and up (No support for iOS 14 or earlier) |
2 Apr 2024 | 9.1.8 | 9.1.9 |
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Android: 10.0 and up iOS: 15 and up |
7 Nov 2023 | 8.1.3 | 8.1.3 |
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Android: 10.0 and up iOS: 15 and up |
3 Oct 2023 | 8.0.6 | 8.0.6 |
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Android: 10.0 and up iOS: 15 and up |
11 Sept 2023 | 8.0.6 | 8.0.5 |
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Android: 10.0 and up iOS: 15 and up |
11 Aug 2023 | 7.2.6 | 7.2.7 |
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Android: 10.0 and up iOS: 15 and up |
8 August 2023 | 7.2.6 | 7.2.5 |
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Android: 10.0 and up iOS: 15 and up |
19 June 2023 | 7.1.5 | 7.1.5 |
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Android: 10.0 and up iOS: 15 and up |
23 May 2023 | 7.1.2 | 7.1.4 |
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Android: 10.0 and up iOS: 15 and up |
4 Apr 2023 | 7.0.7 | 7.0.4 |
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Android: 10.0 and up (This release no longer supports Android 9 or earlier) iOS: 15 and up (This release no longer supports iOS 14 or earlier) |
31 Jan 2023 | 6.3.4 |
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20 Jan 2023 | 6.3.3 |
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17 Jan 2023 | 6.3.2 | 6.3.3 |
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6 Dec 2022 | 6.2.5 | 6.2.4 |
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16 Aug 2022 | 6.3.3 6.1.2 6.1.1 6.0.6 |
6.2.5 6.1.2 6.1.1 6.0.7 |
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12 Jul 2022 | 5.3.11 | 5.3.10 |
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19 Jan 2022 | 5.2.3 | 5.2.3 |
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16 Nov 2021 | 5.1.4 | 5.1.4 |
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21 Sep 2021 | 5.0.1 | 5.0.2 |
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27 Jul 2021 | 4.6.3 | 4.6.4 |
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Android: 8.0 and up iOS: 14.1 and up |
8 Jun 2021 |
4.5.4 | 4.5.4 |
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17 May 2021 | 4.4.3 | 4.4.6 |
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6 May 2021 | 4.4.3 | 4.4.5 |
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27 Apr 2021 | 4.4.3 | 4.4.4 |
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Android: 8.0 and up iOS: 14.1 and up |
23 Feb 2021 | 4.3.3 | 4.3.4 |
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1 Dec 2020 | 4.2.4 | 4.2.4 |
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29 Sep 2020 | 4.1.1 | 4.1.1 |
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09 Sep 2020 | 4.0.1 | 4.0.1 |
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