Updating the software or firmware of your product - Bose on-ear wireless headphones
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How to downgrade your Bose QuietComfort 35 II from 4.5.2 to 3.1.8 : r/bose
Bose won't let me update brand new 700s to newest firmware. Brand new headphones. Connected to Mac book pro. Says (incorrectly) that v1.1.4 is the latest version. It's not. No equalizer. What