![Bose Service on Twitter: "Quiet Comfort 35 II owners - We've got new firmware for you! 4.8.1 adds Self-Voice and battery level voice prompts, along with other fixes and improvements. Download it Bose Service on Twitter: "Quiet Comfort 35 II owners - We've got new firmware for you! 4.8.1 adds Self-Voice and battery level voice prompts, along with other fixes and improvements. Download it](https://pbs.twimg.com/media/Ej1S9MnWoAQWfmg.png)
Bose Service on Twitter: "Quiet Comfort 35 II owners - We've got new firmware for you! 4.8.1 adds Self-Voice and battery level voice prompts, along with other fixes and improvements. Download it
Bushwizard Information Technology CC - Did you know? Bose has regular updates on almost all their products! Be sure to keep your device up to date using either the Bose App that
Bose Software Updater for: QuietComfort, QuietControl, SoundSport, SoundWear, SoundLink and BOSEbuild products
![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)