![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:auto/rt:fill/g:ce/https://i0.wp.com/ittroubleshooters.com/wp-content/uploads/2020/04/Bose-QC35.jpg?resize=1000%2C642&ssl=1)
Bose Investigation Concludes QC35 Firmware Update Didn't Break Noise Cancellation - IT Troubleshooters
![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
![Bose fends off claims 'noise cancellation-breaking' firmware update was intended for sly sales boost | ZDNet Bose fends off claims 'noise cancellation-breaking' firmware update was intended for sly sales boost | ZDNet](https://www.zdnet.com/a/img/resize/192519011d8f3dad67e0fa6e643c9242f286e4a6/2019/07/24/771da80a-48a5-42a5-93f9-5f0801c9ba5d/bose-headphones.jpg?width=1200&height=1200&fit=crop&auto=webp)
Bose fends off claims 'noise cancellation-breaking' firmware update was intended for sly sales boost | ZDNet
![Bose fends off claims 'noise cancellation-breaking' firmware update was intended for sly sales boost | ZDNet Bose fends off claims 'noise cancellation-breaking' firmware update was intended for sly sales boost | ZDNet](https://www.zdnet.com/a/img/resize/6a23eee42e02096922c47814030ad39f8bb5f328/2019/07/24/771da80a-48a5-42a5-93f9-5f0801c9ba5d/bose-headphones.jpg?width=770&height=578&fit=crop&auto=webp)
Bose fends off claims 'noise cancellation-breaking' firmware update was intended for sly sales boost | ZDNet
![My new Bose Qc 35 II. I have tested both this and sony XM4 and gone with Qc35II.So much happy specially with 4.8.1 firmware. I wonder it is competing with 2020 XM4 My new Bose Qc 35 II. I have tested both this and sony XM4 and gone with Qc35II.So much happy specially with 4.8.1 firmware. I wonder it is competing with 2020 XM4](https://i.redd.it/duvazevrqee61.jpg)