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2015-06-02 10:11 AM
Very odd problem - I have a Bluetooth receiver (Headset+A2DP profiles) in my car which works best with the Bluetooth volume set at ~50-60%. Sometimes my Z3 will remember the previous setting (and I've tried to force it with smart connect) but often, and every time when i fire google now, it will jump back up to 100%.
I can't find anywhere in the setting to lock the bluetooth volume (either for this particular device, or overall) and restarts and clearing the audio settings cache haven't had any effect. If anyone has come across simiar, and hopefully solved it, I'd appreciate some advice.
2015-06-02 05:11 PM
Thanks for your reply, and good question - digging into the settings I notice that there is a Bluetooth headset switch in the Google Now voice settings as well, I'l try that and your suggestion and report back if either is effective.
2015-06-03 10:13 AM - edited 2015-06-03 10:14 AM
Unfortunately changing the Google Now settings had no effect. I tracked this app down which lets you set the Bluetoth volume separately and it now seems to be stable - https://play.google.com/store/apps/details?id=com.nightshadelabs.bluetoothvolume so hopefully this might help someone else if they have a similar issue.