Original QC35 still on 2.5.5, should I upgrade? Did they fix the ANC problem with the new firmware? : r/bose
Bose adds customizable EQ to QuietComfort 45 headphones | Cult of Mac
Did Bose QuietComfort 35 firmware upgrade make headphones sound worse? - CNET
Bose Now Lets You Downgrade Firmware of QC 35 If You're Facing ANC Issues | Beebom
Amazon.com: Bose QuietComfort 35 II Noise Cancelling Bluetooth Headphones— Wireless, Over Ear Headphones with Built in Microphone and Alexa Voice Control, Silver : Electronics
Bose Denies Firmware Fried ANC On QC35s, Offers Downgrade | Digital Trends
Bose QC35 owners claim noise cancelling problem caused by software update | TechRadar
BOSE Connect App Windows 10 • How to Pair BOSE QC35 II to Laptop
Bose QC35 owners accuse recent updates of destroying noise cancelling