Sounds like blown speakers

Just did one more test with groove. Top speaker is bad one on mine. Bottom one is fine, not sure if that is the norm? Still think it may be software caused as the buzz continues for second or two after the sound has stopped and I get the distorted buzz sometimes when set to vibrate.
Hey there. It's a known issue on the Idol 4s. I read in other posts that it's hardware related but not sure what exactly. Something is sending a large/hard/heavy signal to that speaker, so maybe a board component.
 

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