From your description, it sounds like your speaker could be blown out.Looks like a number of devices have a factory flaw which results in either of speakers rattling/trembling (not sure what the right word in English is) when playing certain types of frequencies.
The upper speaker of my own device is affected.
I've not listened to loud music on my smartphones ever. The device came with this defect from the get go.From your description, it sounds like your speaker could be blown out.
Ugh, that's a bummer.I've not listened to loud music on my smartphones ever. The device came with this defect from the get go.