StanD
Headphoneus Supremus
- Joined
- Oct 2, 2013
- Posts
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- 1,134
Goto http://btu.bose.com/
Connect the QC35
Type a d v ↑ ↓ (The last two are up arrow and down arrow)
You will see a drop down menu and will be able to select 1.0.6. and continue.
Once upgraded to 1.2.9 or 1.2.10 the ANC is ruined and downgrading doesn't solve it.
I've upgraded to 1.2.10 and for my QC35's its ANC works perfectly fine. So this is not an absolute.