QC35 Series 1: Downgraded the version 2.5.3 and ANC is back to normal!!!!!! : r/bose
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
Bose shouts down claims that it borked noise cancellation firmware to sell more headphones • The Register
Bose Lets Users Downgrade QC35 Firmware After Months of Complaints
GitHub - sunzj/Way_of_Downgrade_BOSE_QC35ii: How to downgrade bose QC35 ii firmware
Bose QuietComfort 45 vs. Bose QuietComfort 35 II: Which Bose noise-cancelling headphones are better? | Laptop Mag
Amazon.com: Bose QuietComfort 35 II Noise Cancelling Bluetooth Headphones— Wireless, Over Ear Headphones with Built in Microphone and Alexa Voice Control, Silver : Electronics