Previously I use to listen to a volume at ard 105. After the latest update the vol at 105 sound like 100 and bass was quite weak. So i had to increase to 110 to get what i used to listen to at. After reading your method "pause and unpause the music once again to get the volume to the original state." I did a try yesterday evening . I pause at 105 vol and unpause again , yeah the vol at 105 is at what it is suppose to be before the update. Last night i did a hardware reset and i listen at 105, yeah the volume level is suppose to be what it is previously before the update. Another issue i found out is the battery. Previously at night i left it on and let it auto power off after 2 hrs. Next morning i power on battery has drop ard 4-5%. After the hardware reset same procedure , this morning power on , battery level never even drop 1% !!!...