![Downgrade your Bose QuietComfort 35 II from any version to 4.3.6, 4.1.3, 3.1.8, 3.1.7, 2.5.1, 2.2.1, 2.2.0, 2.1.3 or 2.0.1 : r/bose Downgrade your Bose QuietComfort 35 II from any version to 4.3.6, 4.1.3, 3.1.8, 3.1.7, 2.5.1, 2.2.1, 2.2.0, 2.1.3 or 2.0.1 : r/bose](https://preview.redd.it/iepygxkmk6q31.png?width=2838&format=png&auto=webp&s=cb2258be55bdcd1407295b16ae012a41a58ff128)
Downgrade your Bose QuietComfort 35 II from any version to 4.3.6, 4.1.3, 3.1.8, 3.1.7, 2.5.1, 2.2.1, 2.2.0, 2.1.3 or 2.0.1 : r/bose
![What is the action for the bug report of the 'noise canceling function' that shows the integrity of BOSE's customers? - GIGAZINE What is the action for the bug report of the 'noise canceling function' that shows the integrity of BOSE's customers? - GIGAZINE](https://i.gzn.jp/img/2020/04/07/bose-qc35-noise-reduction-problem/020.png)
What is the action for the bug report of the 'noise canceling function' that shows the integrity of BOSE's customers? - GIGAZINE
![Bose shouts down claims that it borked noise cancellation firmware to sell more headphones • The Register Bose shouts down claims that it borked noise cancellation firmware to sell more headphones • The Register](https://regmedia.co.uk/2020/04/06/bose_qc_ii_anc_headphones.jpg)
Bose shouts down claims that it borked noise cancellation firmware to sell more headphones • The Register
![Bose Investigation Concludes QC35 Firmware Update Didn't Break Noise Cancellation - IT Troubleshooters Bose Investigation Concludes QC35 Firmware Update Didn't Break Noise Cancellation - IT Troubleshooters](https://mlfafsmg1osd.i.optimole.com/UHu6ZfA-X6nVK_C5/w:1000/h:642/q:mauto/rt:fill/g:ce/https://i0.wp.com/ittroubleshooters.com/wp-content/uploads/2020/04/Bose-QC35.jpg?resize=1000%2C642&ssl=1)