When my smartwatch (a cheap noname MTK 6260A device probably running Nucleus (most likely a clone of the ZGPax S29), and controlled by the BTNotification app on my Android device) is connected to my LG P880 (running CyanogenMod Kitkat 4.4.4), and I receive or make a call, volume is quite low – I hardly can hear the other side. Volume rockers seem to have no effect (maybe connected to Volume Rocker only controls Bluetooth In-call Volume; cannot control all other volumes which I just found – need to check that with the next call I make). I didn't have that issue before I got and connected the smartwatch.

My guess is it is …

  • the reason of the linked question (volume rockers bound to bluetooth)
  • that funny "max volume ear protection" we had mentioned here a couple of times

Apart from switching Bluetooth off whenever there's a call in progress (which I probably could do with ):

Is there any way I could increase volume (or get the rocker off the Bluetooth part and back to the built-in "ear speaker" to control/raise the volume)?

Note that audio is not routed to Bluetooth (I've explicitly disabled that, as otherwise everyone around would hear the other side via the speakers of my smartwatch), call volume is already set to 100% – and yes, I've checked with Settings › Audio already. Also, I've already checked with …

  • Trying to get a decent volume out of anything is one of my biggest Android frustrations. Commented Mar 2, 2016 at 21:53
  • @MatthewRead thing is the volume is decent as long as the smartwatch isn't connected. I'd have gone straight to Tasker if there weren't the issue with the smartwatch not automatically reconnecting properly when BT returns (I have to disconnect and reconnect manually then to get notifications etc. working again). I might still revert to that if there's no other solution – as a phone makes absolutely no sense if one cannot make proper phone calls ;) Given I rarely get more than 2 calls a day, it might even bearable.
    – Izzy
    Commented Mar 2, 2016 at 21:59

1 Answer 1


Uninstall the BT notification. By uninstalling it, the volume on the smartwatch will return to normal function, the best it will be.

The only other way is to install a volume booster from the Play Store.

  • Though it's no longer relevant to me as I don't have that watch anymore: how is this solving the issue? It's a comment at best, not an answer, sorry.
    – Izzy
    Commented May 10, 2020 at 21:27

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