![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
GitHub - bosefirmware/ced: Bose Firmware / Software - ced (AE2, Frames, Noise Cancelling Headphones 700, OE, On-Ear Wireless, QuietComfort 35 II / QC35 / QC35II, QuietControl 30 / QC30, SoundLink Color II,
![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
![Amazon.com: Bose QuietComfort 35 (Series I) Wireless Headphones, Noise Cancelling - Silver : Electronics Amazon.com: Bose QuietComfort 35 (Series I) Wireless Headphones, Noise Cancelling - Silver : Electronics](https://m.media-amazon.com/images/I/919m6Fn487L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Bose QuietComfort 35 (Series I) Wireless Headphones, Noise Cancelling - Silver : Electronics
![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)