1. AC Question's Avatar
    Tried steps given somewhere else, 1) enabled Developer setting mode, 2) long press Setting gear icon in notification bar -- nothing happened and I still do not see System Tuner UI. What could be wrong?
    06-29-2016 02:42 PM
  2. Javier P's Avatar
    Welcome to the forums. As far as I know Samsung didn't include the UI tuner in their Marshmallow update. Sorry, there's no much you can do about this.
    06-29-2016 02:53 PM

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