I have been trying to make Up Mini 2 beep noise quieter. I have located a small piezo speaker on the Mini 2's motherboard, however, covering it with my finger or a tape gave no noticeable effect. Looks like beep noise coming from an upper side inside the Mini 2 chassis. Does anyone know where it is? And anyone been successful to muffle it and how?
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On the rear side. Put the foam support come from original package so the bed hold it to top. Open the four screw to open the board cover. It's made from metail. I am using hot glue gun and put it to the buzzer to muffle it.