Has anyone tried this yet with no problem?
On Friday, January 18, 2019, we are releasing new firmware for QC35 Series I wireless headphones. This update is available through the Bose Connect App, the Bose Updater Site (btu.bose.com) and will be cut into manufacturing at a future date.
QC35 Series I:
Product Previous Firmware Versions New Firmware Versions
QC35 Series I 2.5.3 2.5.5
Thanks for reaching out!
We recommend updating to the latest firmware as it contains bug fixes.
I hope this helps!
Jessie - Community Support
i have an old firmware. its 1.3.6 .im hesitant to update cozsome people experience problems after the update. i just want to make sure that i wont have a problem with this new firmware.