![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 permitirá que los poseedores de auriculares Quiet 35 hagan durante un tiempo un downgrade de firmware Bose permitirá que los poseedores de auriculares Quiet 35 hagan durante un tiempo un downgrade de firmware](https://i.blogs.es/9cddc7/quiet-c35/450_1000.png)
Bose permitirá que los poseedores de auriculares Quiet 35 hagan durante un tiempo un downgrade de firmware
![The Bose QC 35 II Headphones Now Powered by Google Assistant | Digital Trends | In ear headphones, Headphones, Best noise cancelling headphones The Bose QC 35 II Headphones Now Powered by Google Assistant | Digital Trends | In ear headphones, Headphones, Best noise cancelling headphones](https://i.pinimg.com/originals/10/2b/9c/102b9c3de8443798e788ceecffb81332.jpg)
The Bose QC 35 II Headphones Now Powered by Google Assistant | Digital Trends | In ear headphones, Headphones, Best noise cancelling headphones
![Almohadillas de repuesto QC35 / QC35 ii y diadema QC35 / QC35 ii almohadilla para la diadema compatible con Bose QuietComfort 35 (QC35) y Bose QuietComfort 35 ii (QC35 ii) Auriculares (negro) : Amazon.es: Electrónica Almohadillas de repuesto QC35 / QC35 ii y diadema QC35 / QC35 ii almohadilla para la diadema compatible con Bose QuietComfort 35 (QC35) y Bose QuietComfort 35 ii (QC35 ii) Auriculares (negro) : Amazon.es: Electrónica](https://m.media-amazon.com/images/I/51tEss++bJL._AC_.jpg)
Almohadillas de repuesto QC35 / QC35 ii y diadema QC35 / QC35 ii almohadilla para la diadema compatible con Bose QuietComfort 35 (QC35) y Bose QuietComfort 35 ii (QC35 ii) Auriculares (negro) : Amazon.es: Electrónica
![Bose permitirá que los poseedores de auriculares Quiet 35 hagan durante un tiempo un downgrade de firmware Bose permitirá que los poseedores de auriculares Quiet 35 hagan durante un tiempo un downgrade de firmware](https://i.blogs.es/889b5f/quiet/1366_2000.jpg)
Bose permitirá que los poseedores de auriculares Quiet 35 hagan durante un tiempo un downgrade de firmware
![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)