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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://preview.redd.it/duvazevrqee61.jpg?auto=webp&s=451592e7dbcc2120f313bfacebd0855e74d87486)
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
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How to update the firmware of your Bose Headphones/Earphones, Speakers, etc. on your computer ? - YouTube
![Amazon.com: Bose QuietComfort 35 II Wireless Bluetooth Headphones, Noise-Cancelling, with Alexa Voice Control - Black : Electronics Amazon.com: Bose QuietComfort 35 II Wireless Bluetooth Headphones, Noise-Cancelling, with Alexa Voice Control - Black : Electronics](https://m.media-amazon.com/images/I/41jSuUHT8eL._AC_.jpg)