Whenever I play a song from spotify using internal speakers on XA, the volume does not change whenever I increase or decrease the volume. It turn silent at level 0 and when I press the volume up button sound starts playing but if in increase the volume to a 100% it does change. Basically at 0 it's silent, from levels 1 to 15 the volume remains the same even though the slider changes. It works with headphones and external speakers but not with internal speakers. Also the volume in headphones is really low when compared to iPhones, Samsung, Huawei and other phones I had previously owned. I've tried installing volume boosting app and disabling audio settings (to disable equalizer), headphone selector and musicfx apps that were pre-installed on my phone.
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