So what does the manual tell you to do then? Forget about me. Help the boy out.
Sent from my SM-G900W8 using Xparent Cyan Tapatalk 2
The water-resistant design of the device causes it to vibrate slightly in certain conditions.
Vibrations in these conditions, such as when the volume level is high are normal and do
not affect the device’s performance
Most likely they underestimated or are downplaying the volume level required to make it vibrate.
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