Optimum Teco guides - Bose QC35 noise cancelling was gimped by recent software update, claim owners Both generations of Bose's QuietComfort 35 headphones have long been some of the most popular noise-cancelling
![How to update the firmware of your Bose Headphones/Earphones, Speakers, etc. on your computer ? - YouTube How to update the firmware of your Bose Headphones/Earphones, Speakers, etc. on your computer ? - YouTube](https://i.ytimg.com/vi/n6Kl1xvcq20/maxresdefault.jpg)
How to update the firmware of your Bose Headphones/Earphones, Speakers, etc. on your computer ? - YouTube
![Bose disproves conspiracy theories regarding reduced noise canceling performance with QC 35 II update - GSMArena.com news Bose disproves conspiracy theories regarding reduced noise canceling performance with QC 35 II update - GSMArena.com news](https://fdn.gsmarena.com/imgroot/news/20/04/bose-update/-535/gsmarena_002.jpg)
Bose disproves conspiracy theories regarding reduced noise canceling performance with QC 35 II update - GSMArena.com news
![Amazon.com: Bose QuietComfort 35 II Wireless Bluetooth Headphones, Noise-Cancelling, with Alexa Voice Control - Rose Gold : Electronics Amazon.com: Bose QuietComfort 35 II Wireless Bluetooth Headphones, Noise-Cancelling, with Alexa Voice Control - Rose Gold : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71-UPisBswL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Bose QuietComfort 35 II Wireless Bluetooth Headphones, Noise-Cancelling, with Alexa Voice Control - Rose Gold : Electronics
![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)